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3
 * https://jquery.com/
4
 *
5
 * Includes Sizzle.js
6
 * https://sizzlejs.com/
7
 *
8
 * Copyright JS Foundation and other contributors
9
 * Released under the MIT license
10
 * https://jquery.org/license
11
 *
12
 * Date: 2019-05-01T21:04Z
13
 */
14
( function( global, factory ) {
15
16
    "use strict";
17
18
    if ( typeof module === "object" && typeof module.exports === "object" ) {
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        // For CommonJS and CommonJS-like environments where a proper `window`
21
        // is present, execute the factory and get jQuery.
22
        // For environments that do not have a `window` with a `document`
23
        // (such as Node.js), expose a factory as module.exports.
24
        // This accentuates the need for the creation of a real `window`.
25
        // e.g. var jQuery = require("jquery")(window);
26
        // See ticket #14549 for more info.
27
        module.exports = global.document ?
28
            factory( global, true ) :
29
            function( w ) {
30
                if ( !w.document ) {
31
                    throw new Error( "jQuery requires a window with a document" );
32
                }
33
                return factory( w );
34
            };
35
    } else {
36
        factory( global );
37
    }
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39
// Pass this if window is not defined yet
40
} )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
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42
// Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
43
// throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
44
// arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
45
// enough that all such attempts are guarded in a try block.
46
"use strict";
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48
var arr = [];
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var document = window.document;
51
52
var getProto = Object.getPrototypeOf;
53
54
var slice = arr.slice;
55
56
var concat = arr.concat;
57
58
var push = arr.push;
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60
var indexOf = arr.indexOf;
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62
var class2type = {};
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64
var toString = class2type.toString;
65
66
var hasOwn = class2type.hasOwnProperty;
67
68
var fnToString = hasOwn.toString;
69
70
var ObjectFunctionString = fnToString.call( Object );
71
72
var support = {};
73
74
var isFunction = function isFunction( obj ) {
75
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      // Support: Chrome <=57, Firefox <=52
77
      // In some browsers, typeof returns "function" for HTML <object> elements
78
      // (i.e., `typeof document.createElement( "object" ) === "function"`).
79
      // We don't want to classify *any* DOM node as a function.
80
      return typeof obj === "function" && typeof obj.nodeType !== "number";
81
  };
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var isWindow = function isWindow( obj ) {
85
        return obj != null && obj === obj.window;
86
    };
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    var preservedScriptAttributes = {
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        type: true,
93
        src: true,
94
        nonce: true,
95
        noModule: true
96
    };
97
98
    function DOMEval( code, node, doc ) {
99
        doc = doc || document;
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        var i, val,
102
            script = doc.createElement( "script" );
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        script.text = code;
105
        if ( node ) {
106
            for ( i in preservedScriptAttributes ) {
107
108
                // Support: Firefox 64+, Edge 18+
109
                // Some browsers don't support the "nonce" property on scripts.
110
                // On the other hand, just using `getAttribute` is not enough as
111
                // the `nonce` attribute is reset to an empty string whenever it
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                // becomes browsing-context connected.
113
                // See https://github.com/whatwg/html/issues/2369
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                // See https://html.spec.whatwg.org/#nonce-attributes
115
                // The `node.getAttribute` check was added for the sake of
116
                // `jQuery.globalEval` so that it can fake a nonce-containing node
117
                // via an object.
118
                val = node[ i ] || node.getAttribute && node.getAttribute( i );
119
                if ( val ) {
120
                    script.setAttribute( i, val );
121
                }
122
            }
123
        }
124
        doc.head.appendChild( script ).parentNode.removeChild( script );
125
    }
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127
128
function toType( obj ) {
129
    if ( obj == null ) {
130
        return obj + "";
131
    }
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133
    // Support: Android <=2.3 only (functionish RegExp)
134
    return typeof obj === "object" || typeof obj === "function" ?
135
        class2type[ toString.call( obj ) ] || "object" :
136
        typeof obj;
137
}
138
/* global Symbol */
139
// Defining this global in .eslintrc.json would create a danger of using the global
140
// unguarded in another place, it seems safer to define global only for this module
141
142
143
144
var
145
    version = "3.4.1",
146
147
    // Define a local copy of jQuery
148
    jQuery = function( selector, context ) {
149
150
        // The jQuery object is actually just the init constructor 'enhanced'
151
        // Need init if jQuery is called (just allow error to be thrown if not included)
152
        return new jQuery.fn.init( selector, context );
153
    },
154
155
    // Support: Android <=4.0 only
156
    // Make sure we trim BOM and NBSP
157
    rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g;
158
159
jQuery.fn = jQuery.prototype = {
160
161
    // The current version of jQuery being used
162
    jquery: version,
163
164
    constructor: jQuery,
165
166
    // The default length of a jQuery object is 0
167
    length: 0,
168
169
    toArray: function() {
170
        return slice.call( this );
171
    },
172
173
    // Get the Nth element in the matched element set OR
174
    // Get the whole matched element set as a clean array
175
    get: function( num ) {
176
177
        // Return all the elements in a clean array
178
        if ( num == null ) {
179
            return slice.call( this );
180
        }
181
182
        // Return just the one element from the set
183
        return num < 0 ? this[ num + this.length ] : this[ num ];
184
    },
185
186
    // Take an array of elements and push it onto the stack
187
    // (returning the new matched element set)
188
    pushStack: function( elems ) {
189
190
        // Build a new jQuery matched element set
191
        var ret = jQuery.merge( this.constructor(), elems );
192
193
        // Add the old object onto the stack (as a reference)
194
        ret.prevObject = this;
195
196
        // Return the newly-formed element set
197
        return ret;
198
    },
199
200
    // Execute a callback for every element in the matched set.
201
    each: function( callback ) {
202
        return jQuery.each( this, callback );
203
    },
204
205
    map: function( callback ) {
206
        return this.pushStack( jQuery.map( this, function( elem, i ) {
207
            return callback.call( elem, i, elem );
208
        } ) );
209
    },
210
211
    slice: function() {
212
        return this.pushStack( slice.apply( this, arguments ) );
213
    },
214
215
    first: function() {
216
        return this.eq( 0 );
217
    },
218
219
    last: function() {
220
        return this.eq( -1 );
221
    },
222
223
    eq: function( i ) {
224
        var len = this.length,
225
            j = +i + ( i < 0 ? len : 0 );
226
        return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );
227
    },
228
229
    end: function() {
230
        return this.prevObject || this.constructor();
231
    },
232
233
    // For internal use only.
234
    // Behaves like an Array's method, not like a jQuery method.
235
    push: push,
236
    sort: arr.sort,
237
    splice: arr.splice
238
};
239
240
jQuery.extend = jQuery.fn.extend = function() {
241
    var options, name, src, copy, copyIsArray, clone,
242
        target = arguments[ 0 ] || {},
243
        i = 1,
244
        length = arguments.length,
245
        deep = false;
246
247
    // Handle a deep copy situation
248
    if ( typeof target === "boolean" ) {
249
        deep = target;
250
251
        // Skip the boolean and the target
252
        target = arguments[ i ] || {};
253
        i++;
254
    }
255
256
    // Handle case when target is a string or something (possible in deep copy)
257
    if ( typeof target !== "object" && !isFunction( target ) ) {
258
        target = {};
259
    }
260
261
    // Extend jQuery itself if only one argument is passed
262
    if ( i === length ) {
263
        target = this;
264
        i--;
265
    }
266
267
    for ( ; i < length; i++ ) {
268
269
        // Only deal with non-null/undefined values
270
        if ( ( options = arguments[ i ] ) != null ) {
271
272
            // Extend the base object
273
            for ( name in options ) {
274
                copy = options[ name ];
275
276
                // Prevent Object.prototype pollution
277
                // Prevent never-ending loop
278
                if ( name === "__proto__" || target === copy ) {
279
                    continue;
280
                }
281
282
                // Recurse if we're merging plain objects or arrays
283
                if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
284
                    ( copyIsArray = Array.isArray( copy ) ) ) ) {
285
                    src = target[ name ];
286
287
                    // Ensure proper type for the source value
288
                    if ( copyIsArray && !Array.isArray( src ) ) {
289
                        clone = [];
290
                    } else if ( !copyIsArray && !jQuery.isPlainObject( src ) ) {
291
                        clone = {};
292
                    } else {
293
                        clone = src;
294
                    }
295
                    copyIsArray = false;
296
297
                    // Never move original objects, clone them
298
                    target[ name ] = jQuery.extend( deep, clone, copy );
299
300
                // Don't bring in undefined values
301
                } else if ( copy !== undefined ) {
302
                    target[ name ] = copy;
303
                }
304
            }
305
        }
306
    }
307
308
    // Return the modified object
309
    return target;
310
};
311
312
jQuery.extend( {
313
314
    // Unique for each copy of jQuery on the page
315
    expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
316
317
    // Assume jQuery is ready without the ready module
318
    isReady: true,
319
320
    error: function( msg ) {
321
        throw new Error( msg );
322
    },
323
324
    noop: function() {},
325
326
    isPlainObject: function( obj ) {
327
        var proto, Ctor;
328
329
        // Detect obvious negatives
330
        // Use toString instead of jQuery.type to catch host objects
331
        if ( !obj || toString.call( obj ) !== "[object Object]" ) {
332
            return false;
333
        }
334
335
        proto = getProto( obj );
336
337
        // Objects with no prototype (e.g., `Object.create( null )`) are plain
338
        if ( !proto ) {
339
            return true;
340
        }
341
342
        // Objects with prototype are plain iff they were constructed by a global Object function
343
        Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
344
        return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
345
    },
346
347
    isEmptyObject: function( obj ) {
348
        var name;
349
350
        for ( name in obj ) {
351
            return false;
352
        }
353
        return true;
354
    },
355
356
    // Evaluates a script in a global context
357
    globalEval: function( code, options ) {
358
        DOMEval( code, { nonce: options && options.nonce } );
359
    },
360
361
    each: function( obj, callback ) {
362
        var length, i = 0;
363
364
        if ( isArrayLike( obj ) ) {
365
            length = obj.length;
366
            for ( ; i < length; i++ ) {
367
                if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
368
                    break;
369
                }
370
            }
371
        } else {
372
            for ( i in obj ) {
373
                if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
374
                    break;
375
                }
376
            }
377
        }
378
379
        return obj;
380
    },
381
382
    // Support: Android <=4.0 only
383
    trim: function( text ) {
384
        return text == null ?
385
            "" :
386
            ( text + "" ).replace( rtrim, "" );
387
    },
388
389
    // results is for internal usage only
390
    makeArray: function( arr, results ) {
391
        var ret = results || [];
392
393
        if ( arr != null ) {
394
            if ( isArrayLike( Object( arr ) ) ) {
395
                jQuery.merge( ret,
396
                    typeof arr === "string" ?
397
                    [ arr ] : arr
398
                );
399
            } else {
400
                push.call( ret, arr );
401
            }
402
        }
403
404
        return ret;
405
    },
406
407
    inArray: function( elem, arr, i ) {
408
        return arr == null ? -1 : indexOf.call( arr, elem, i );
409
    },
410
411
    // Support: Android <=4.0 only, PhantomJS 1 only
412
    // push.apply(_, arraylike) throws on ancient WebKit
413
    merge: function( first, second ) {
414
        var len = +second.length,
415
            j = 0,
416
            i = first.length;
417
418
        for ( ; j < len; j++ ) {
419
            first[ i++ ] = second[ j ];
420
        }
421
422
        first.length = i;
423
424
        return first;
425
    },
426
427
    grep: function( elems, callback, invert ) {
428
        var callbackInverse,
429
            matches = [],
430
            i = 0,
431
            length = elems.length,
432
            callbackExpect = !invert;
433
434
        // Go through the array, only saving the items
435
        // that pass the validator function
436
        for ( ; i < length; i++ ) {
437
            callbackInverse = !callback( elems[ i ], i );
438
            if ( callbackInverse !== callbackExpect ) {
439
                matches.push( elems[ i ] );
440
            }
441
        }
442
443
        return matches;
444
    },
445
446
    // arg is for internal usage only
447
    map: function( elems, callback, arg ) {
448
        var length, value,
449
            i = 0,
450
            ret = [];
451
452
        // Go through the array, translating each of the items to their new values
453
        if ( isArrayLike( elems ) ) {
454
            length = elems.length;
455
            for ( ; i < length; i++ ) {
456
                value = callback( elems[ i ], i, arg );
457
458
                if ( value != null ) {
459
                    ret.push( value );
460
                }
461
            }
462
463
        // Go through every key on the object,
464
        } else {
465
            for ( i in elems ) {
466
                value = callback( elems[ i ], i, arg );
467
468
                if ( value != null ) {
469
                    ret.push( value );
470
                }
471
            }
472
        }
473
474
        // Flatten any nested arrays
475
        return concat.apply( [], ret );
476
    },
477
478
    // A global GUID counter for objects
479
    guid: 1,
480
481
    // jQuery.support is not used in Core but other projects attach their
482
    // properties to it so it needs to exist.
483
    support: support
484
} );
485
486
if ( typeof Symbol === "function" ) {
487
    jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
488
}
489
490
// Populate the class2type map
491
jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
492
function( i, name ) {
493
    class2type[ "[object " + name + "]" ] = name.toLowerCase();
494
} );
495
496
function isArrayLike( obj ) {
497
498
    // Support: real iOS 8.2 only (not reproducible in simulator)
499
    // `in` check used to prevent JIT error (gh-2145)
500
    // hasOwn isn't used here due to false negatives
501
    // regarding Nodelist length in IE
502
    var length = !!obj && "length" in obj && obj.length,
503
        type = toType( obj );
504
505
    if ( isFunction( obj ) || isWindow( obj ) ) {
506
        return false;
507
    }
508
509
    return type === "array" || length === 0 ||
510
        typeof length === "number" && length > 0 && ( length - 1 ) in obj;
511
}
512
var Sizzle =
513
/*!
514
 * Sizzle CSS Selector Engine v2.3.4
515
 * https://sizzlejs.com/
516
 *
517
 * Copyright JS Foundation and other contributors
518
 * Released under the MIT license
519
 * https://js.foundation/
520
 *
521
 * Date: 2019-04-08
522
 */
523
(function( window ) {
524
525
var i,
526
    support,
527
    Expr,
528
    getText,
529
    isXML,
530
    tokenize,
531
    compile,
532
    select,
533
    outermostContext,
534
    sortInput,
535
    hasDuplicate,
536
537
    // Local document vars
538
    setDocument,
539
    document,
540
    docElem,
541
    documentIsHTML,
542
    rbuggyQSA,
543
    rbuggyMatches,
544
    matches,
545
    contains,
546
547
    // Instance-specific data
548
    expando = "sizzle" + 1 * new Date(),
549
    preferredDoc = window.document,
550
    dirruns = 0,
551
    done = 0,
552
    classCache = createCache(),
553
    tokenCache = createCache(),
554
    compilerCache = createCache(),
555
    nonnativeSelectorCache = createCache(),
556
    sortOrder = function( a, b ) {
557
        if ( a === b ) {
558
            hasDuplicate = true;
559
        }
560
        return 0;
561
    },
562
563
    // Instance methods
564
    hasOwn = ({}).hasOwnProperty,
565
    arr = [],
566
    pop = arr.pop,
567
    push_native = arr.push,
568
    push = arr.push,
569
    slice = arr.slice,
570
    // Use a stripped-down indexOf as it's faster than native
571
    // https://jsperf.com/thor-indexof-vs-for/5
572
    indexOf = function( list, elem ) {
573
        var i = 0,
574
            len = list.length;
575
        for ( ; i < len; i++ ) {
576
            if ( list[i] === elem ) {
577
                return i;
578
            }
579
        }
580
        return -1;
581
    },
582
583
    booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
584
585
    // Regular expressions
586
587
    // http://www.w3.org/TR/css3-selectors/#whitespace
588
    whitespace = "[\\x20\\t\\r\\n\\f]",
589
590
    // http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
591
    identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+",
592
593
    // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
594
    attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
595
        // Operator (capture 2)
596
        "*([*^$|!~]?=)" + whitespace +
597
        // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
598
        "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
599
        "*\\]",
600
601
    pseudos = ":(" + identifier + ")(?:\\((" +
602
        // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
603
        // 1. quoted (capture 3; capture 4 or capture 5)
604
        "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
605
        // 2. simple (capture 6)
606
        "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
607
        // 3. anything else (capture 2)
608
        ".*" +
609
        ")\\)|)",
610
611
    // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
612
    rwhitespace = new RegExp( whitespace + "+", "g" ),
613
    rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
614
615
    rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
616
    rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
617
    rdescend = new RegExp( whitespace + "|>" ),
618
619
    rpseudo = new RegExp( pseudos ),
620
    ridentifier = new RegExp( "^" + identifier + "$" ),
621
622
    matchExpr = {
623
        "ID": new RegExp( "^#(" + identifier + ")" ),
624
        "CLASS": new RegExp( "^\\.(" + identifier + ")" ),
625
        "TAG": new RegExp( "^(" + identifier + "|[*])" ),
626
        "ATTR": new RegExp( "^" + attributes ),
627
        "PSEUDO": new RegExp( "^" + pseudos ),
628
        "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
629
            "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
630
            "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
631
        "bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
632
        // For use in libraries implementing .is()
633
        // We use this for POS matching in `select`
634
        "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
635
            whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
636
    },
637
638
    rhtml = /HTML$/i,
639
    rinputs = /^(?:input|select|textarea|button)$/i,
640
    rheader = /^h\d$/i,
641
642
    rnative = /^[^{]+\{\s*\[native \w/,
643
644
    // Easily-parseable/retrievable ID or TAG or CLASS selectors
645
    rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
646
647
    rsibling = /[+~]/,
648
649
    // CSS escapes
650
    // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
651
    runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
652
    funescape = function( _, escaped, escapedWhitespace ) {
653
        var high = "0x" + escaped - 0x10000;
654
        // NaN means non-codepoint
655
        // Support: Firefox<24
656
        // Workaround erroneous numeric interpretation of +"0x"
657
        return high !== high || escapedWhitespace ?
658
            escaped :
659
            high < 0 ?
660
                // BMP codepoint
661
                String.fromCharCode( high + 0x10000 ) :
662
                // Supplemental Plane codepoint (surrogate pair)
663
                String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
664
    },
665
666
    // CSS string/identifier serialization
667
    // https://drafts.csswg.org/cssom/#common-serializing-idioms
668
    rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
669
    fcssescape = function( ch, asCodePoint ) {
670
        if ( asCodePoint ) {
671
672
            // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
673
            if ( ch === "\0" ) {
674
                return "\uFFFD";
675
            }
676
677
            // Control characters and (dependent upon position) numbers get escaped as code points
678
            return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
679
        }
680
681
        // Other potentially-special ASCII characters get backslash-escaped
682
        return "\\" + ch;
683
    },
684
685
    // Used for iframes
686
    // See setDocument()
687
    // Removing the function wrapper causes a "Permission Denied"
688
    // error in IE
689
    unloadHandler = function() {
690
        setDocument();
691
    },
692
693
    inDisabledFieldset = addCombinator(
694
        function( elem ) {
695
            return elem.disabled === true && elem.nodeName.toLowerCase() === "fieldset";
696
        },
697
        { dir: "parentNode", next: "legend" }
698
    );
699
700
// Optimize for push.apply( _, NodeList )
701
try {
702
    push.apply(
703
        (arr = slice.call( preferredDoc.childNodes )),
704
        preferredDoc.childNodes
705
    );
706
    // Support: Android<4.0
707
    // Detect silently failing push.apply
708
    arr[ preferredDoc.childNodes.length ].nodeType;
709
} catch ( e ) {
710
    push = { apply: arr.length ?
711
712
        // Leverage slice if possible
713
        function( target, els ) {
714
            push_native.apply( target, slice.call(els) );
715
        } :
716
717
        // Support: IE<9
718
        // Otherwise append directly
719
        function( target, els ) {
720
            var j = target.length,
721
                i = 0;
722
            // Can't trust NodeList.length
723
            while ( (target[j++] = els[i++]) ) {}
724
            target.length = j - 1;
725
        }
726
    };
727
}
728
729
function Sizzle( selector, context, results, seed ) {
730
    var m, i, elem, nid, match, groups, newSelector,
731
        newContext = context && context.ownerDocument,
732
733
        // nodeType defaults to 9, since context defaults to document
734
        nodeType = context ? context.nodeType : 9;
735
736
    results = results || [];
737
738
    // Return early from calls with invalid selector or context
739
    if ( typeof selector !== "string" || !selector ||
740
        nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
741
742
        return results;
743
    }
744
745
    // Try to shortcut find operations (as opposed to filters) in HTML documents
746
    if ( !seed ) {
747
748
        if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
749
            setDocument( context );
750
        }
751
        context = context || document;
752
753
        if ( documentIsHTML ) {
754
755
            // If the selector is sufficiently simple, try using a "get*By*" DOM method
756
            // (excepting DocumentFragment context, where the methods don't exist)
757
            if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {
758
759
                // ID selector
760
                if ( (m = match[1]) ) {
761
762
                    // Document context
763
                    if ( nodeType === 9 ) {
764
                        if ( (elem = context.getElementById( m )) ) {
765
766
                            // Support: IE, Opera, Webkit
767
                            // TODO: identify versions
768
                            // getElementById can match elements by name instead of ID
769
                            if ( elem.id === m ) {
770
                                results.push( elem );
771
                                return results;
772
                            }
773
                        } else {
774
                            return results;
775
                        }
776
777
                    // Element context
778
                    } else {
779
780
                        // Support: IE, Opera, Webkit
781
                        // TODO: identify versions
782
                        // getElementById can match elements by name instead of ID
783
                        if ( newContext && (elem = newContext.getElementById( m )) &&
784
                            contains( context, elem ) &&
785
                            elem.id === m ) {
786
787
                            results.push( elem );
788
                            return results;
789
                        }
790
                    }
791
792
                // Type selector
793
                } else if ( match[2] ) {
794
                    push.apply( results, context.getElementsByTagName( selector ) );
795
                    return results;
796
797
                // Class selector
798
                } else if ( (m = match[3]) && support.getElementsByClassName &&
799
                    context.getElementsByClassName ) {
800
801
                    push.apply( results, context.getElementsByClassName( m ) );
802
                    return results;
803
                }
804
            }
805
806
            // Take advantage of querySelectorAll
807
            if ( support.qsa &&
808
                !nonnativeSelectorCache[ selector + " " ] &&
809
                (!rbuggyQSA || !rbuggyQSA.test( selector )) &&
810
811
                // Support: IE 8 only
812
                // Exclude object elements
813
                (nodeType !== 1 || context.nodeName.toLowerCase() !== "object") ) {
814
815
                newSelector = selector;
816
                newContext = context;
817
818
                // qSA considers elements outside a scoping root when evaluating child or
819
                // descendant combinators, which is not what we want.
820
                // In such cases, we work around the behavior by prefixing every selector in the
821
                // list with an ID selector referencing the scope context.
822
                // Thanks to Andrew Dupont for this technique.
823
                if ( nodeType === 1 && rdescend.test( selector ) ) {
824
825
                    // Capture the context ID, setting it first if necessary
826
                    if ( (nid = context.getAttribute( "id" )) ) {
827
                        nid = nid.replace( rcssescape, fcssescape );
828
                    } else {
829
                        context.setAttribute( "id", (nid = expando) );
830
                    }
831
832
                    // Prefix every selector in the list
833
                    groups = tokenize( selector );
834
                    i = groups.length;
835
                    while ( i-- ) {
836
                        groups[i] = "#" + nid + " " + toSelector( groups[i] );
837
                    }
838
                    newSelector = groups.join( "," );
839
840
                    // Expand context for sibling selectors
841
                    newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
842
                        context;
843
                }
844
845
                try {
846
                    push.apply( results,
847
                        newContext.querySelectorAll( newSelector )
848
                    );
849
                    return results;
850
                } catch ( qsaError ) {
851
                    nonnativeSelectorCache( selector, true );
852
                } finally {
853
                    if ( nid === expando ) {
854
                        context.removeAttribute( "id" );
855
                    }
856
                }
857
            }
858
        }
859
    }
860
861
    // All others
862
    return select( selector.replace( rtrim, "$1" ), context, results, seed );
863
}
864
865
/**
866
 * Create key-value caches of limited size
867
 * @returns {function(string, object)} Returns the Object data after storing it on itself with
868
 *  property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
869
 *  deleting the oldest entry
870
 */
871
function createCache() {
872
    var keys = [];
873
874
    function cache( key, value ) {
875
        // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
876
        if ( keys.push( key + " " ) > Expr.cacheLength ) {
877
            // Only keep the most recent entries
878
            delete cache[ keys.shift() ];
879
        }
880
        return (cache[ key + " " ] = value);
881
    }
882
    return cache;
883
}
884
885
/**
886
 * Mark a function for special use by Sizzle
887
 * @param {Function} fn The function to mark
888
 */
889
function markFunction( fn ) {
890
    fn[ expando ] = true;
891
    return fn;
892
}
893
894
/**
895
 * Support testing using an element
896
 * @param {Function} fn Passed the created element and returns a boolean result
897
 */
898
function assert( fn ) {
899
    var el = document.createElement("fieldset");
900
901
    try {
902
        return !!fn( el );
903
    } catch (e) {
904
        return false;
905
    } finally {
906
        // Remove from its parent by default
907
        if ( el.parentNode ) {
908
            el.parentNode.removeChild( el );
909
        }
910
        // release memory in IE
911
        el = null;
912
    }
913
}
914
915
/**
916
 * Adds the same handler for all of the specified attrs
917
 * @param {String} attrs Pipe-separated list of attributes
918
 * @param {Function} handler The method that will be applied
919
 */
920
function addHandle( attrs, handler ) {
921
    var arr = attrs.split("|"),
922
        i = arr.length;
923
924
    while ( i-- ) {
925
        Expr.attrHandle[ arr[i] ] = handler;
926
    }
927
}
928
929
/**
930
 * Checks document order of two siblings
931
 * @param {Element} a
932
 * @param {Element} b
933
 * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
934
 */
935
function siblingCheck( a, b ) {
936
    var cur = b && a,
937
        diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
938
            a.sourceIndex - b.sourceIndex;
939
940
    // Use IE sourceIndex if available on both nodes
941
    if ( diff ) {
942
        return diff;
943
    }
944
945
    // Check if b follows a
946
    if ( cur ) {
947
        while ( (cur = cur.nextSibling) ) {
948
            if ( cur === b ) {
949
                return -1;
950
            }
951
        }
952
    }
953
954
    return a ? 1 : -1;
955
}
956
957
/**
958
 * Returns a function to use in pseudos for input types
959
 * @param {String} type
960
 */
961
function createInputPseudo( type ) {
962
    return function( elem ) {
963
        var name = elem.nodeName.toLowerCase();
964
        return name === "input" && elem.type === type;
965
    };
966
}
967
968
/**
969
 * Returns a function to use in pseudos for buttons
970
 * @param {String} type
971
 */
972
function createButtonPseudo( type ) {
973
    return function( elem ) {
974
        var name = elem.nodeName.toLowerCase();
975
        return (name === "input" || name === "button") && elem.type === type;
976
    };
977
}
978
979
/**
980
 * Returns a function to use in pseudos for :enabled/:disabled
981
 * @param {Boolean} disabled true for :disabled; false for :enabled
982
 */
983
function createDisabledPseudo( disabled ) {
984
985
    // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
986
    return function( elem ) {
987
988
        // Only certain elements can match :enabled or :disabled
989
        // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
990
        // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
991
        if ( "form" in elem ) {
992
993
            // Check for inherited disabledness on relevant non-disabled elements:
994
            // * listed form-associated elements in a disabled fieldset
995
            //   https://html.spec.whatwg.org/multipage/forms.html#category-listed
996
            //   https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
997
            // * option elements in a disabled optgroup
998
            //   https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
999
            // All such elements have a "form" property.
1000
            if ( elem.parentNode && elem.disabled === false ) {
1001
1002
                // Option elements defer to a parent optgroup if present
1003
                if ( "label" in elem ) {
1004
                    if ( "label" in elem.parentNode ) {
1005
                        return elem.parentNode.disabled === disabled;
1006
                    } else {
1007
                        return elem.disabled === disabled;
1008
                    }
1009
                }
1010
1011
                // Support: IE 6 - 11
1012
                // Use the isDisabled shortcut property to check for disabled fieldset ancestors
1013
                return elem.isDisabled === disabled ||
1014
1015
                    // Where there is no isDisabled, check manually
1016
                    /* jshint -W018 */
1017
                    elem.isDisabled !== !disabled &&
1018
                        inDisabledFieldset( elem ) === disabled;
1019
            }
1020
1021
            return elem.disabled === disabled;
1022
1023
        // Try to winnow out elements that can't be disabled before trusting the disabled property.
1024
        // Some victims get caught in our net (label, legend, menu, track), but it shouldn't
1025
        // even exist on them, let alone have a boolean value.
1026
        } else if ( "label" in elem ) {
1027
            return elem.disabled === disabled;
1028
        }
1029
1030
        // Remaining elements are neither :enabled nor :disabled
1031
        return false;
1032
    };
1033
}
1034
1035
/**
1036
 * Returns a function to use in pseudos for positionals
1037
 * @param {Function} fn
1038
 */
1039
function createPositionalPseudo( fn ) {
1040
    return markFunction(function( argument ) {
1041
        argument = +argument;
1042
        return markFunction(function( seed, matches ) {
1043
            var j,
1044
                matchIndexes = fn( [], seed.length, argument ),
1045
                i = matchIndexes.length;
1046
1047
            // Match elements found at the specified indexes
1048
            while ( i-- ) {
1049
                if ( seed[ (j = matchIndexes[i]) ] ) {
1050
                    seed[j] = !(matches[j] = seed[j]);
1051
                }
1052
            }
1053
        });
1054
    });
1055
}
1056
1057
/**
1058
 * Checks a node for validity as a Sizzle context
1059
 * @param {Element|Object=} context
1060
 * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
1061
 */
1062
function testContext( context ) {
1063
    return context && typeof context.getElementsByTagName !== "undefined" && context;
1064
}
1065
1066
// Expose support vars for convenience
1067
support = Sizzle.support = {};
1068
1069
/**
1070
 * Detects XML nodes
1071
 * @param {Element|Object} elem An element or a document
1072
 * @returns {Boolean} True iff elem is a non-HTML XML node
1073
 */
1074
isXML = Sizzle.isXML = function( elem ) {
1075
    var namespace = elem.namespaceURI,
1076
        docElem = (elem.ownerDocument || elem).documentElement;
1077
1078
    // Support: IE <=8
1079
    // Assume HTML when documentElement doesn't yet exist, such as inside loading iframes
1080
    // https://bugs.jquery.com/ticket/4833
1081
    return !rhtml.test( namespace || docElem && docElem.nodeName || "HTML" );
1082
};
1083
1084
/**
1085
 * Sets document-related variables once based on the current document
1086
 * @param {Element|Object} [doc] An element or document object to use to set the document
1087
 * @returns {Object} Returns the current document
1088
 */
1089
setDocument = Sizzle.setDocument = function( node ) {
1090
    var hasCompare, subWindow,
1091
        doc = node ? node.ownerDocument || node : preferredDoc;
1092
1093
    // Return early if doc is invalid or already selected
1094
    if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
1095
        return document;
1096
    }
1097
1098
    // Update global variables
1099
    document = doc;
1100
    docElem = document.documentElement;
1101
    documentIsHTML = !isXML( document );
1102
1103
    // Support: IE 9-11, Edge
1104
    // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
1105
    if ( preferredDoc !== document &&
1106
        (subWindow = document.defaultView) && subWindow.top !== subWindow ) {
1107
1108
        // Support: IE 11, Edge
1109
        if ( subWindow.addEventListener ) {
1110
            subWindow.addEventListener( "unload", unloadHandler, false );
1111
1112
        // Support: IE 9 - 10 only
1113
        } else if ( subWindow.attachEvent ) {
1114
            subWindow.attachEvent( "onunload", unloadHandler );
1115
        }
1116
    }
1117
1118
    /* Attributes
1119
    ---------------------------------------------------------------------- */
1120
1121
    // Support: IE<8
1122
    // Verify that getAttribute really returns attributes and not properties
1123
    // (excepting IE8 booleans)
1124
    support.attributes = assert(function( el ) {
1125
        el.className = "i";
1126
        return !el.getAttribute("className");
1127
    });
1128
1129
    /* getElement(s)By*
1130
    ---------------------------------------------------------------------- */
1131
1132
    // Check if getElementsByTagName("*") returns only elements
1133
    support.getElementsByTagName = assert(function( el ) {
1134
        el.appendChild( document.createComment("") );
1135
        return !el.getElementsByTagName("*").length;
1136
    });
1137
1138
    // Support: IE<9
1139
    support.getElementsByClassName = rnative.test( document.getElementsByClassName );
1140
1141
    // Support: IE<10
1142
    // Check if getElementById returns elements by name
1143
    // The broken getElementById methods don't pick up programmatically-set names,
1144
    // so use a roundabout getElementsByName test
1145
    support.getById = assert(function( el ) {
1146
        docElem.appendChild( el ).id = expando;
1147
        return !document.getElementsByName || !document.getElementsByName( expando ).length;
1148
    });
1149
1150
    // ID filter and find
1151
    if ( support.getById ) {
1152
        Expr.filter["ID"] = function( id ) {
1153
            var attrId = id.replace( runescape, funescape );
1154
            return function( elem ) {
1155
                return elem.getAttribute("id") === attrId;
1156
            };
1157
        };
1158
        Expr.find["ID"] = function( id, context ) {
1159
            if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1160
                var elem = context.getElementById( id );
1161
                return elem ? [ elem ] : [];
1162
            }
1163
        };
1164
    } else {
1165
        Expr.filter["ID"] =  function( id ) {
1166
            var attrId = id.replace( runescape, funescape );
1167
            return function( elem ) {
1168
                var node = typeof elem.getAttributeNode !== "undefined" &&
1169
                    elem.getAttributeNode("id");
1170
                return node && node.value === attrId;
1171
            };
1172
        };
1173
1174
        // Support: IE 6 - 7 only
1175
        // getElementById is not reliable as a find shortcut
1176
        Expr.find["ID"] = function( id, context ) {
1177
            if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1178
                var node, i, elems,
1179
                    elem = context.getElementById( id );
1180
1181
                if ( elem ) {
1182
1183
                    // Verify the id attribute
1184
                    node = elem.getAttributeNode("id");
1185
                    if ( node && node.value === id ) {
1186
                        return [ elem ];
1187
                    }
1188
1189
                    // Fall back on getElementsByName
1190
                    elems = context.getElementsByName( id );
1191
                    i = 0;
1192
                    while ( (elem = elems[i++]) ) {
1193
                        node = elem.getAttributeNode("id");
1194
                        if ( node && node.value === id ) {
1195
                            return [ elem ];
1196
                        }
1197
                    }
1198
                }
1199
1200
                return [];
1201
            }
1202
        };
1203
    }
1204
1205
    // Tag
1206
    Expr.find["TAG"] = support.getElementsByTagName ?
1207
        function( tag, context ) {
1208
            if ( typeof context.getElementsByTagName !== "undefined" ) {
1209
                return context.getElementsByTagName( tag );
1210
1211
            // DocumentFragment nodes don't have gEBTN
1212
            } else if ( support.qsa ) {
1213
                return context.querySelectorAll( tag );
1214
            }
1215
        } :
1216
1217
        function( tag, context ) {
1218
            var elem,
1219
                tmp = [],
1220
                i = 0,
1221
                // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
1222
                results = context.getElementsByTagName( tag );
1223
1224
            // Filter out possible comments
1225
            if ( tag === "*" ) {
1226
                while ( (elem = results[i++]) ) {
1227
                    if ( elem.nodeType === 1 ) {
1228
                        tmp.push( elem );
1229
                    }
1230
                }
1231
1232
                return tmp;
1233
            }
1234
            return results;
1235
        };
1236
1237
    // Class
1238
    Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
1239
        if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
1240
            return context.getElementsByClassName( className );
1241
        }
1242
    };
1243
1244
    /* QSA/matchesSelector
1245
    ---------------------------------------------------------------------- */
1246
1247
    // QSA and matchesSelector support
1248
1249
    // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
1250
    rbuggyMatches = [];
1251
1252
    // qSa(:focus) reports false when true (Chrome 21)
1253
    // We allow this because of a bug in IE8/9 that throws an error
1254
    // whenever `document.activeElement` is accessed on an iframe
1255
    // So, we allow :focus to pass through QSA all the time to avoid the IE error
1256
    // See https://bugs.jquery.com/ticket/13378
1257
    rbuggyQSA = [];
1258
1259
    if ( (support.qsa = rnative.test( document.querySelectorAll )) ) {
1260
        // Build QSA regex
1261
        // Regex strategy adopted from Diego Perini
1262
        assert(function( el ) {
1263
            // Select is set to empty string on purpose
1264
            // This is to test IE's treatment of not explicitly
1265
            // setting a boolean content attribute,
1266
            // since its presence should be enough
1267
            // https://bugs.jquery.com/ticket/12359
1268
            docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" +
1269
                "<select id='" + expando + "-\r\\' msallowcapture=''>" +
1270
                "<option selected=''></option></select>";
1271
1272
            // Support: IE8, Opera 11-12.16
1273
            // Nothing should be selected when empty strings follow ^= or $= or *=
1274
            // The test attribute must be unknown in Opera but "safe" for WinRT
1275
            // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
1276
            if ( el.querySelectorAll("[msallowcapture^='']").length ) {
1277
                rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
1278
            }
1279
1280
            // Support: IE8
1281
            // Boolean attributes and "value" are not treated correctly
1282
            if ( !el.querySelectorAll("[selected]").length ) {
1283
                rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
1284
            }
1285
1286
            // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
1287
            if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
1288
                rbuggyQSA.push("~=");
1289
            }
1290
1291
            // Webkit/Opera - :checked should return selected option elements
1292
            // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1293
            // IE8 throws error here and will not see later tests
1294
            if ( !el.querySelectorAll(":checked").length ) {
1295
                rbuggyQSA.push(":checked");
1296
            }
1297
1298
            // Support: Safari 8+, iOS 8+
1299
            // https://bugs.webkit.org/show_bug.cgi?id=136851
1300
            // In-page `selector#id sibling-combinator selector` fails
1301
            if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
1302
                rbuggyQSA.push(".#.+[+~]");
1303
            }
1304
        });
1305
1306
        assert(function( el ) {
1307
            el.innerHTML = "<a href='' disabled='disabled'></a>" +
1308
                "<select disabled='disabled'><option/></select>";
1309
1310
            // Support: Windows 8 Native Apps
1311
            // The type and name attributes are restricted during .innerHTML assignment
1312
            var input = document.createElement("input");
1313
            input.setAttribute( "type", "hidden" );
1314
            el.appendChild( input ).setAttribute( "name", "D" );
1315
1316
            // Support: IE8
1317
            // Enforce case-sensitivity of name attribute
1318
            if ( el.querySelectorAll("[name=d]").length ) {
1319
                rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
1320
            }
1321
1322
            // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
1323
            // IE8 throws error here and will not see later tests
1324
            if ( el.querySelectorAll(":enabled").length !== 2 ) {
1325
                rbuggyQSA.push( ":enabled", ":disabled" );
1326
            }
1327
1328
            // Support: IE9-11+
1329
            // IE's :disabled selector does not pick up the children of disabled fieldsets
1330
            docElem.appendChild( el ).disabled = true;
1331
            if ( el.querySelectorAll(":disabled").length !== 2 ) {
1332
                rbuggyQSA.push( ":enabled", ":disabled" );
1333
            }
1334
1335
            // Opera 10-11 does not throw on post-comma invalid pseudos
1336
            el.querySelectorAll("*,:x");
1337
            rbuggyQSA.push(",.*:");
1338
        });
1339
    }
1340
1341
    if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
1342
        docElem.webkitMatchesSelector ||
1343
        docElem.mozMatchesSelector ||
1344
        docElem.oMatchesSelector ||
1345
        docElem.msMatchesSelector) )) ) {
1346
1347
        assert(function( el ) {
1348
            // Check to see if it's possible to do matchesSelector
1349
            // on a disconnected node (IE 9)
1350
            support.disconnectedMatch = matches.call( el, "*" );
1351
1352
            // This should fail with an exception
1353
            // Gecko does not error, returns false instead
1354
            matches.call( el, "[s!='']:x" );
1355
            rbuggyMatches.push( "!=", pseudos );
1356
        });
1357
    }
1358
1359
    rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
1360
    rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
1361
1362
    /* Contains
1363
    ---------------------------------------------------------------------- */
1364
    hasCompare = rnative.test( docElem.compareDocumentPosition );
1365
1366
    // Element contains another
1367
    // Purposefully self-exclusive
1368
    // As in, an element does not contain itself
1369
    contains = hasCompare || rnative.test( docElem.contains ) ?
1370
        function( a, b ) {
1371
            var adown = a.nodeType === 9 ? a.documentElement : a,
1372
                bup = b && b.parentNode;
1373
            return a === bup || !!( bup && bup.nodeType === 1 && (
1374
                adown.contains ?
1375
                    adown.contains( bup ) :
1376
                    a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
1377
            ));
1378
        } :
1379
        function( a, b ) {
1380
            if ( b ) {
1381
                while ( (b = b.parentNode) ) {
1382
                    if ( b === a ) {
1383
                        return true;
1384
                    }
1385
                }
1386
            }
1387
            return false;
1388
        };
1389
1390
    /* Sorting
1391
    ---------------------------------------------------------------------- */
1392
1393
    // Document order sorting
1394
    sortOrder = hasCompare ?
1395
    function( a, b ) {
1396
1397
        // Flag for duplicate removal
1398
        if ( a === b ) {
1399
            hasDuplicate = true;
1400
            return 0;
1401
        }
1402
1403
        // Sort on method existence if only one input has compareDocumentPosition
1404
        var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
1405
        if ( compare ) {
1406
            return compare;
1407
        }
1408
1409
        // Calculate position if both inputs belong to the same document
1410
        compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
1411
            a.compareDocumentPosition( b ) :
1412
1413
            // Otherwise we know they are disconnected
1414
            1;
1415
1416
        // Disconnected nodes
1417
        if ( compare & 1 ||
1418
            (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
1419
1420
            // Choose the first element that is related to our preferred document
1421
            if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
1422
                return -1;
1423
            }
1424
            if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
1425
                return 1;
1426
            }
1427
1428
            // Maintain original order
1429
            return sortInput ?
1430
                ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1431
                0;
1432
        }
1433
1434
        return compare & 4 ? -1 : 1;
1435
    } :
1436
    function( a, b ) {
1437
        // Exit early if the nodes are identical
1438
        if ( a === b ) {
1439
            hasDuplicate = true;
1440
            return 0;
1441
        }
1442
1443
        var cur,
1444
            i = 0,
1445
            aup = a.parentNode,
1446
            bup = b.parentNode,
1447
            ap = [ a ],
1448
            bp = [ b ];
1449
1450
        // Parentless nodes are either documents or disconnected
1451
        if ( !aup || !bup ) {
1452
            return a === document ? -1 :
1453
                b === document ? 1 :
1454
                aup ? -1 :
1455
                bup ? 1 :
1456
                sortInput ?
1457
                ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1458
                0;
1459
1460
        // If the nodes are siblings, we can do a quick check
1461
        } else if ( aup === bup ) {
1462
            return siblingCheck( a, b );
1463
        }
1464
1465
        // Otherwise we need full lists of their ancestors for comparison
1466
        cur = a;
1467
        while ( (cur = cur.parentNode) ) {
1468
            ap.unshift( cur );
1469
        }
1470
        cur = b;
1471
        while ( (cur = cur.parentNode) ) {
1472
            bp.unshift( cur );
1473
        }
1474
1475
        // Walk down the tree looking for a discrepancy
1476
        while ( ap[i] === bp[i] ) {
1477
            i++;
1478
        }
1479
1480
        return i ?
1481
            // Do a sibling check if the nodes have a common ancestor
1482
            siblingCheck( ap[i], bp[i] ) :
1483
1484
            // Otherwise nodes in our document sort first
1485
            ap[i] === preferredDoc ? -1 :
1486
            bp[i] === preferredDoc ? 1 :
1487
            0;
1488
    };
1489
1490
    return document;
1491
};
1492
1493
Sizzle.matches = function( expr, elements ) {
1494
    return Sizzle( expr, null, null, elements );
1495
};
1496
1497
Sizzle.matchesSelector = function( elem, expr ) {
1498
    // Set document vars if needed
1499
    if ( ( elem.ownerDocument || elem ) !== document ) {
1500
        setDocument( elem );
1501
    }
1502
1503
    if ( support.matchesSelector && documentIsHTML &&
1504
        !nonnativeSelectorCache[ expr + " " ] &&
1505
        ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
1506
        ( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {
1507
1508
        try {
1509
            var ret = matches.call( elem, expr );
1510
1511
            // IE 9's matchesSelector returns false on disconnected nodes
1512
            if ( ret || support.disconnectedMatch ||
1513
                    // As well, disconnected nodes are said to be in a document
1514
                    // fragment in IE 9
1515
                    elem.document && elem.document.nodeType !== 11 ) {
1516
                return ret;
1517
            }
1518
        } catch (e) {
1519
            nonnativeSelectorCache( expr, true );
1520
        }
1521
    }
1522
1523
    return Sizzle( expr, document, null, [ elem ] ).length > 0;
1524
};
1525
1526
Sizzle.contains = function( context, elem ) {
1527
    // Set document vars if needed
1528
    if ( ( context.ownerDocument || context ) !== document ) {
1529
        setDocument( context );
1530
    }
1531
    return contains( context, elem );
1532
};
1533
1534
Sizzle.attr = function( elem, name ) {
1535
    // Set document vars if needed
1536
    if ( ( elem.ownerDocument || elem ) !== document ) {
1537
        setDocument( elem );
1538
    }
1539
1540
    var fn = Expr.attrHandle[ name.toLowerCase() ],
1541
        // Don't get fooled by Object.prototype properties (jQuery #13807)
1542
        val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
1543
            fn( elem, name, !documentIsHTML ) :
1544
            undefined;
1545
1546
    return val !== undefined ?
1547
        val :
1548
        support.attributes || !documentIsHTML ?
1549
            elem.getAttribute( name ) :
1550
            (val = elem.getAttributeNode(name)) && val.specified ?
1551
                val.value :
1552
                null;
1553
};
1554
1555
Sizzle.escape = function( sel ) {
1556
    return (sel + "").replace( rcssescape, fcssescape );
1557
};
1558
1559
Sizzle.error = function( msg ) {
1560
    throw new Error( "Syntax error, unrecognized expression: " + msg );
1561
};
1562
1563
/**
1564
 * Document sorting and removing duplicates
1565
 * @param {ArrayLike} results
1566
 */
1567
Sizzle.uniqueSort = function( results ) {
1568
    var elem,
1569
        duplicates = [],
1570
        j = 0,
1571
        i = 0;
1572
1573
    // Unless we *know* we can detect duplicates, assume their presence
1574
    hasDuplicate = !support.detectDuplicates;
1575
    sortInput = !support.sortStable && results.slice( 0 );
1576
    results.sort( sortOrder );
1577
1578
    if ( hasDuplicate ) {
1579
        while ( (elem = results[i++]) ) {
1580
            if ( elem === results[ i ] ) {
1581
                j = duplicates.push( i );
1582
            }
1583
        }
1584
        while ( j-- ) {
1585
            results.splice( duplicates[ j ], 1 );
1586
        }
1587
    }
1588
1589
    // Clear input after sorting to release objects
1590
    // See https://github.com/jquery/sizzle/pull/225
1591
    sortInput = null;
1592
1593
    return results;
1594
};
1595
1596
/**
1597
 * Utility function for retrieving the text value of an array of DOM nodes
1598
 * @param {Array|Element} elem
1599
 */
1600
getText = Sizzle.getText = function( elem ) {
1601
    var node,
1602
        ret = "",
1603
        i = 0,
1604
        nodeType = elem.nodeType;
1605
1606
    if ( !nodeType ) {
1607
        // If no nodeType, this is expected to be an array
1608
        while ( (node = elem[i++]) ) {
1609
            // Do not traverse comment nodes
1610
            ret += getText( node );
1611
        }
1612
    } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
1613
        // Use textContent for elements
1614
        // innerText usage removed for consistency of new lines (jQuery #11153)
1615
        if ( typeof elem.textContent === "string" ) {
1616
            return elem.textContent;
1617
        } else {
1618
            // Traverse its children
1619
            for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1620
                ret += getText( elem );
1621
            }
1622
        }
1623
    } else if ( nodeType === 3 || nodeType === 4 ) {
1624
        return elem.nodeValue;
1625
    }
1626
    // Do not include comment or processing instruction nodes
1627
1628
    return ret;
1629
};
1630
1631
Expr = Sizzle.selectors = {
1632
1633
    // Can be adjusted by the user
1634
    cacheLength: 50,
1635
1636
    createPseudo: markFunction,
1637
1638
    match: matchExpr,
1639
1640
    attrHandle: {},
1641
1642
    find: {},
1643
1644
    relative: {
1645
        ">": { dir: "parentNode", first: true },
1646
        " ": { dir: "parentNode" },
1647
        "+": { dir: "previousSibling", first: true },
1648
        "~": { dir: "previousSibling" }
1649
    },
1650
1651
    preFilter: {
1652
        "ATTR": function( match ) {
1653
            match[1] = match[1].replace( runescape, funescape );
1654
1655
            // Move the given value to match[3] whether quoted or unquoted
1656
            match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
1657
1658
            if ( match[2] === "~=" ) {
1659
                match[3] = " " + match[3] + " ";
1660
            }
1661
1662
            return match.slice( 0, 4 );
1663
        },
1664
1665
        "CHILD": function( match ) {
1666
            /* matches from matchExpr["CHILD"]
1667
                1 type (only|nth|...)
1668
                2 what (child|of-type)
1669
                3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
1670
                4 xn-component of xn+y argument ([+-]?\d*n|)
1671
                5 sign of xn-component
1672
                6 x of xn-component
1673
                7 sign of y-component
1674
                8 y of y-component
1675
            */
1676
            match[1] = match[1].toLowerCase();
1677
1678
            if ( match[1].slice( 0, 3 ) === "nth" ) {
1679
                // nth-* requires argument
1680
                if ( !match[3] ) {
1681
                    Sizzle.error( match[0] );
1682
                }
1683
1684
                // numeric x and y parameters for Expr.filter.CHILD
1685
                // remember that false/true cast respectively to 0/1
1686
                match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
1687
                match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
1688
1689
            // other types prohibit arguments
1690
            } else if ( match[3] ) {
1691
                Sizzle.error( match[0] );
1692
            }
1693
1694
            return match;
1695
        },
1696
1697
        "PSEUDO": function( match ) {
1698
            var excess,
1699
                unquoted = !match[6] && match[2];
1700
1701
            if ( matchExpr["CHILD"].test( match[0] ) ) {
1702
                return null;
1703
            }
1704
1705
            // Accept quoted arguments as-is
1706
            if ( match[3] ) {
1707
                match[2] = match[4] || match[5] || "";
1708
1709
            // Strip excess characters from unquoted arguments
1710
            } else if ( unquoted && rpseudo.test( unquoted ) &&
1711
                // Get excess from tokenize (recursively)
1712
                (excess = tokenize( unquoted, true )) &&
1713
                // advance to the next closing parenthesis
1714
                (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
1715
1716
                // excess is a negative index
1717
                match[0] = match[0].slice( 0, excess );
1718
                match[2] = unquoted.slice( 0, excess );
1719
            }
1720
1721
            // Return only captures needed by the pseudo filter method (type and argument)
1722
            return match.slice( 0, 3 );
1723
        }
1724
    },
1725
1726
    filter: {
1727
1728
        "TAG": function( nodeNameSelector ) {
1729
            var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
1730
            return nodeNameSelector === "*" ?
1731
                function() { return true; } :
1732
                function( elem ) {
1733
                    return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
1734
                };
1735
        },
1736
1737
        "CLASS": function( className ) {
1738
            var pattern = classCache[ className + " " ];
1739
1740
            return pattern ||
1741
                (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
1742
                classCache( className, function( elem ) {
1743
                    return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" );
1744
                });
1745
        },
1746
1747
        "ATTR": function( name, operator, check ) {
1748
            return function( elem ) {
1749
                var result = Sizzle.attr( elem, name );
1750
1751
                if ( result == null ) {
1752
                    return operator === "!=";
1753
                }
1754
                if ( !operator ) {
1755
                    return true;
1756
                }
1757
1758
                result += "";
1759
1760
                return operator === "=" ? result === check :
1761
                    operator === "!=" ? result !== check :
1762
                    operator === "^=" ? check && result.indexOf( check ) === 0 :
1763
                    operator === "*=" ? check && result.indexOf( check ) > -1 :
1764
                    operator === "$=" ? check && result.slice( -check.length ) === check :
1765
                    operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
1766
                    operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
1767
                    false;
1768
            };
1769
        },
1770
1771
        "CHILD": function( type, what, argument, first, last ) {
1772
            var simple = type.slice( 0, 3 ) !== "nth",
1773
                forward = type.slice( -4 ) !== "last",
1774
                ofType = what === "of-type";
1775
1776
            return first === 1 && last === 0 ?
1777
1778
                // Shortcut for :nth-*(n)
1779
                function( elem ) {
1780
                    return !!elem.parentNode;
1781
                } :
1782
1783
                function( elem, context, xml ) {
1784
                    var cache, uniqueCache, outerCache, node, nodeIndex, start,
1785
                        dir = simple !== forward ? "nextSibling" : "previousSibling",
1786
                        parent = elem.parentNode,
1787
                        name = ofType && elem.nodeName.toLowerCase(),
1788
                        useCache = !xml && !ofType,
1789
                        diff = false;
1790
1791
                    if ( parent ) {
1792
1793
                        // :(first|last|only)-(child|of-type)
1794
                        if ( simple ) {
1795
                            while ( dir ) {
1796
                                node = elem;
1797
                                while ( (node = node[ dir ]) ) {
1798
                                    if ( ofType ?
1799
                                        node.nodeName.toLowerCase() === name :
1800
                                        node.nodeType === 1 ) {
1801
1802
                                        return false;
1803
                                    }
1804
                                }
1805
                                // Reverse direction for :only-* (if we haven't yet done so)
1806
                                start = dir = type === "only" && !start && "nextSibling";
1807
                            }
1808
                            return true;
1809
                        }
1810
1811
                        start = [ forward ? parent.firstChild : parent.lastChild ];
1812
1813
                        // non-xml :nth-child(...) stores cache data on `parent`
1814
                        if ( forward && useCache ) {
1815
1816
                            // Seek `elem` from a previously-cached index
1817
1818
                            // ...in a gzip-friendly way
1819
                            node = parent;
1820
                            outerCache = node[ expando ] || (node[ expando ] = {});
1821
1822
                            // Support: IE <9 only
1823
                            // Defend against cloned attroperties (jQuery gh-1709)
1824
                            uniqueCache = outerCache[ node.uniqueID ] ||
1825
                                (outerCache[ node.uniqueID ] = {});
1826
1827
                            cache = uniqueCache[ type ] || [];
1828
                            nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1829
                            diff = nodeIndex && cache[ 2 ];
1830
                            node = nodeIndex && parent.childNodes[ nodeIndex ];
1831
1832
                            while ( (node = ++nodeIndex && node && node[ dir ] ||
1833
1834
                                // Fallback to seeking `elem` from the start
1835
                                (diff = nodeIndex = 0) || start.pop()) ) {
1836
1837
                                // When found, cache indexes on `parent` and break
1838
                                if ( node.nodeType === 1 && ++diff && node === elem ) {
1839
                                    uniqueCache[ type ] = [ dirruns, nodeIndex, diff ];
1840
                                    break;
1841
                                }
1842
                            }
1843
1844
                        } else {
1845
                            // Use previously-cached element index if available
1846
                            if ( useCache ) {
1847
                                // ...in a gzip-friendly way
1848
                                node = elem;
1849
                                outerCache = node[ expando ] || (node[ expando ] = {});
1850
1851
                                // Support: IE <9 only
1852
                                // Defend against cloned attroperties (jQuery gh-1709)
1853
                                uniqueCache = outerCache[ node.uniqueID ] ||
1854
                                    (outerCache[ node.uniqueID ] = {});
1855
1856
                                cache = uniqueCache[ type ] || [];
1857
                                nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1858
                                diff = nodeIndex;
1859
                            }
1860
1861
                            // xml :nth-child(...)
1862
                            // or :nth-last-child(...) or :nth(-last)?-of-type(...)
1863
                            if ( diff === false ) {
1864
                                // Use the same loop as above to seek `elem` from the start
1865
                                while ( (node = ++nodeIndex && node && node[ dir ] ||
1866
                                    (diff = nodeIndex = 0) || start.pop()) ) {
1867
1868
                                    if ( ( ofType ?
1869
                                        node.nodeName.toLowerCase() === name :
1870
                                        node.nodeType === 1 ) &&
1871
                                        ++diff ) {
1872
1873
                                        // Cache the index of each encountered element
1874
                                        if ( useCache ) {
1875
                                            outerCache = node[ expando ] || (node[ expando ] = {});
1876
1877
                                            // Support: IE <9 only
1878
                                            // Defend against cloned attroperties (jQuery gh-1709)
1879
                                            uniqueCache = outerCache[ node.uniqueID ] ||
1880
                                                (outerCache[ node.uniqueID ] = {});
1881
1882
                                            uniqueCache[ type ] = [ dirruns, diff ];
1883
                                        }
1884
1885
                                        if ( node === elem ) {
1886
                                            break;
1887
                                        }
1888
                                    }
1889
                                }
1890
                            }
1891
                        }
1892
1893
                        // Incorporate the offset, then check against cycle size
1894
                        diff -= last;
1895
                        return diff === first || ( diff % first === 0 && diff / first >= 0 );
1896
                    }
1897
                };
1898
        },
1899
1900
        "PSEUDO": function( pseudo, argument ) {
1901
            // pseudo-class names are case-insensitive
1902
            // http://www.w3.org/TR/selectors/#pseudo-classes
1903
            // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
1904
            // Remember that setFilters inherits from pseudos
1905
            var args,
1906
                fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
1907
                    Sizzle.error( "unsupported pseudo: " + pseudo );
1908
1909
            // The user may use createPseudo to indicate that
1910
            // arguments are needed to create the filter function
1911
            // just as Sizzle does
1912
            if ( fn[ expando ] ) {
1913
                return fn( argument );
1914
            }
1915
1916
            // But maintain support for old signatures
1917
            if ( fn.length > 1 ) {
1918
                args = [ pseudo, pseudo, "", argument ];
1919
                return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
1920
                    markFunction(function( seed, matches ) {
1921
                        var idx,
1922
                            matched = fn( seed, argument ),
1923
                            i = matched.length;
1924
                        while ( i-- ) {
1925
                            idx = indexOf( seed, matched[i] );
1926
                            seed[ idx ] = !( matches[ idx ] = matched[i] );
1927
                        }
1928
                    }) :
1929
                    function( elem ) {
1930
                        return fn( elem, 0, args );
1931
                    };
1932
            }
1933
1934
            return fn;
1935
        }
1936
    },
1937
1938
    pseudos: {
1939
        // Potentially complex pseudos
1940
        "not": markFunction(function( selector ) {
1941
            // Trim the selector passed to compile
1942
            // to avoid treating leading and trailing
1943
            // spaces as combinators
1944
            var input = [],
1945
                results = [],
1946
                matcher = compile( selector.replace( rtrim, "$1" ) );
1947
1948
            return matcher[ expando ] ?
1949
                markFunction(function( seed, matches, context, xml ) {
1950
                    var elem,
1951
                        unmatched = matcher( seed, null, xml, [] ),
1952
                        i = seed.length;
1953
1954
                    // Match elements unmatched by `matcher`
1955
                    while ( i-- ) {
1956
                        if ( (elem = unmatched[i]) ) {
1957
                            seed[i] = !(matches[i] = elem);
1958
                        }
1959
                    }
1960
                }) :
1961
                function( elem, context, xml ) {
1962
                    input[0] = elem;
1963
                    matcher( input, null, xml, results );
1964
                    // Don't keep the element (issue #299)
1965
                    input[0] = null;
1966
                    return !results.pop();
1967
                };
1968
        }),
1969
1970
        "has": markFunction(function( selector ) {
1971
            return function( elem ) {
1972
                return Sizzle( selector, elem ).length > 0;
1973
            };
1974
        }),
1975
1976
        "contains": markFunction(function( text ) {
1977
            text = text.replace( runescape, funescape );
1978
            return function( elem ) {
1979
                return ( elem.textContent || getText( elem ) ).indexOf( text ) > -1;
1980
            };
1981
        }),
1982
1983
        // "Whether an element is represented by a :lang() selector
1984
        // is based solely on the element's language value
1985
        // being equal to the identifier C,
1986
        // or beginning with the identifier C immediately followed by "-".
1987
        // The matching of C against the element's language value is performed case-insensitively.
1988
        // The identifier C does not have to be a valid language name."
1989
        // http://www.w3.org/TR/selectors/#lang-pseudo
1990
        "lang": markFunction( function( lang ) {
1991
            // lang value must be a valid identifier
1992
            if ( !ridentifier.test(lang || "") ) {
1993
                Sizzle.error( "unsupported lang: " + lang );
1994
            }
1995
            lang = lang.replace( runescape, funescape ).toLowerCase();
1996
            return function( elem ) {
1997
                var elemLang;
1998
                do {
1999
                    if ( (elemLang = documentIsHTML ?
2000
                        elem.lang :
2001
                        elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
2002
2003
                        elemLang = elemLang.toLowerCase();
2004
                        return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
2005
                    }
2006
                } while ( (elem = elem.parentNode) && elem.nodeType === 1 );
2007
                return false;
2008
            };
2009
        }),
2010
2011
        // Miscellaneous
2012
        "target": function( elem ) {
2013
            var hash = window.location && window.location.hash;
2014
            return hash && hash.slice( 1 ) === elem.id;
2015
        },
2016
2017
        "root": function( elem ) {
2018
            return elem === docElem;
2019
        },
2020
2021
        "focus": function( elem ) {
2022
            return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
2023
        },
2024
2025
        // Boolean properties
2026
        "enabled": createDisabledPseudo( false ),
2027
        "disabled": createDisabledPseudo( true ),
2028
2029
        "checked": function( elem ) {
2030
            // In CSS3, :checked should return both checked and selected elements
2031
            // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
2032
            var nodeName = elem.nodeName.toLowerCase();
2033
            return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
2034
        },
2035
2036
        "selected": function( elem ) {
2037
            // Accessing this property makes selected-by-default
2038
            // options in Safari work properly
2039
            if ( elem.parentNode ) {
2040
                elem.parentNode.selectedIndex;
2041
            }
2042
2043
            return elem.selected === true;
2044
        },
2045
2046
        // Contents
2047
        "empty": function( elem ) {
2048
            // http://www.w3.org/TR/selectors/#empty-pseudo
2049
            // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
2050
            //   but not by others (comment: 8; processing instruction: 7; etc.)
2051
            // nodeType < 6 works because attributes (2) do not appear as children
2052
            for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
2053
                if ( elem.nodeType < 6 ) {
2054
                    return false;
2055
                }
2056
            }
2057
            return true;
2058
        },
2059
2060
        "parent": function( elem ) {
2061
            return !Expr.pseudos["empty"]( elem );
2062
        },
2063
2064
        // Element/input types
2065
        "header": function( elem ) {
2066
            return rheader.test( elem.nodeName );
2067
        },
2068
2069
        "input": function( elem ) {
2070
            return rinputs.test( elem.nodeName );
2071
        },
2072
2073
        "button": function( elem ) {
2074
            var name = elem.nodeName.toLowerCase();
2075
            return name === "input" && elem.type === "button" || name === "button";
2076
        },
2077
2078
        "text": function( elem ) {
2079
            var attr;
2080
            return elem.nodeName.toLowerCase() === "input" &&
2081
                elem.type === "text" &&
2082
2083
                // Support: IE<8
2084
                // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
2085
                ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
2086
        },
2087
2088
        // Position-in-collection
2089
        "first": createPositionalPseudo(function() {
2090
            return [ 0 ];
2091
        }),
2092
2093
        "last": createPositionalPseudo(function( matchIndexes, length ) {
2094
            return [ length - 1 ];
2095
        }),
2096
2097
        "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
2098
            return [ argument < 0 ? argument + length : argument ];
2099
        }),
2100
2101
        "even": createPositionalPseudo(function( matchIndexes, length ) {
2102
            var i = 0;
2103
            for ( ; i < length; i += 2 ) {
2104
                matchIndexes.push( i );
2105
            }
2106
            return matchIndexes;
2107
        }),
2108
2109
        "odd": createPositionalPseudo(function( matchIndexes, length ) {
2110
            var i = 1;
2111
            for ( ; i < length; i += 2 ) {
2112
                matchIndexes.push( i );
2113
            }
2114
            return matchIndexes;
2115
        }),
2116
2117
        "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2118
            var i = argument < 0 ?
2119
                argument + length :
2120
                argument > length ?
2121
                    length :
2122
                    argument;
2123
            for ( ; --i >= 0; ) {
2124
                matchIndexes.push( i );
2125
            }
2126
            return matchIndexes;
2127
        }),
2128
2129
        "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2130
            var i = argument < 0 ? argument + length : argument;
2131
            for ( ; ++i < length; ) {
2132
                matchIndexes.push( i );
2133
            }
2134
            return matchIndexes;
2135
        })
2136
    }
2137
};
2138
2139
Expr.pseudos["nth"] = Expr.pseudos["eq"];
2140
2141
// Add button/input type pseudos
2142
for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
2143
    Expr.pseudos[ i ] = createInputPseudo( i );
2144
}
2145
for ( i in { submit: true, reset: true } ) {
2146
    Expr.pseudos[ i ] = createButtonPseudo( i );
2147
}
2148
2149
// Easy API for creating new setFilters
2150
function setFilters() {}
2151
setFilters.prototype = Expr.filters = Expr.pseudos;
2152
Expr.setFilters = new setFilters();
2153
2154
tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
2155
    var matched, match, tokens, type,
2156
        soFar, groups, preFilters,
2157
        cached = tokenCache[ selector + " " ];
2158
2159
    if ( cached ) {
2160
        return parseOnly ? 0 : cached.slice( 0 );
2161
    }
2162
2163
    soFar = selector;
2164
    groups = [];
2165
    preFilters = Expr.preFilter;
2166
2167
    while ( soFar ) {
2168
2169
        // Comma and first run
2170
        if ( !matched || (match = rcomma.exec( soFar )) ) {
2171
            if ( match ) {
2172
                // Don't consume trailing commas as valid
2173
                soFar = soFar.slice( match[0].length ) || soFar;
2174
            }
2175
            groups.push( (tokens = []) );
2176
        }
2177
2178
        matched = false;
2179
2180
        // Combinators
2181
        if ( (match = rcombinators.exec( soFar )) ) {
2182
            matched = match.shift();
2183
            tokens.push({
2184
                value: matched,
2185
                // Cast descendant combinators to space
2186
                type: match[0].replace( rtrim, " " )
2187
            });
2188
            soFar = soFar.slice( matched.length );
2189
        }
2190
2191
        // Filters
2192
        for ( type in Expr.filter ) {
2193
            if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
2194
                (match = preFilters[ type ]( match ))) ) {
2195
                matched = match.shift();
2196
                tokens.push({
2197
                    value: matched,
2198
                    type: type,
2199
                    matches: match
2200
                });
2201
                soFar = soFar.slice( matched.length );
2202
            }
2203
        }
2204
2205
        if ( !matched ) {
2206
            break;
2207
        }
2208
    }
2209
2210
    // Return the length of the invalid excess
2211
    // if we're just parsing
2212
    // Otherwise, throw an error or return tokens
2213
    return parseOnly ?
2214
        soFar.length :
2215
        soFar ?
2216
            Sizzle.error( selector ) :
2217
            // Cache the tokens
2218
            tokenCache( selector, groups ).slice( 0 );
2219
};
2220
2221
function toSelector( tokens ) {
2222
    var i = 0,
2223
        len = tokens.length,
2224
        selector = "";
2225
    for ( ; i < len; i++ ) {
2226
        selector += tokens[i].value;
2227
    }
2228
    return selector;
2229
}
2230
2231
function addCombinator( matcher, combinator, base ) {
2232
    var dir = combinator.dir,
2233
        skip = combinator.next,
2234
        key = skip || dir,
2235
        checkNonElements = base && key === "parentNode",
2236
        doneName = done++;
2237
2238
    return combinator.first ?
2239
        // Check against closest ancestor/preceding element
2240
        function( elem, context, xml ) {
2241
            while ( (elem = elem[ dir ]) ) {
2242
                if ( elem.nodeType === 1 || checkNonElements ) {
2243
                    return matcher( elem, context, xml );
2244
                }
2245
            }
2246
            return false;
2247
        } :
2248
2249
        // Check against all ancestor/preceding elements
2250
        function( elem, context, xml ) {
2251
            var oldCache, uniqueCache, outerCache,
2252
                newCache = [ dirruns, doneName ];
2253
2254
            // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
2255
            if ( xml ) {
2256
                while ( (elem = elem[ dir ]) ) {
2257
                    if ( elem.nodeType === 1 || checkNonElements ) {
2258
                        if ( matcher( elem, context, xml ) ) {
2259
                            return true;
2260
                        }
2261
                    }
2262
                }
2263
            } else {
2264
                while ( (elem = elem[ dir ]) ) {
2265
                    if ( elem.nodeType === 1 || checkNonElements ) {
2266
                        outerCache = elem[ expando ] || (elem[ expando ] = {});
2267
2268
                        // Support: IE <9 only
2269
                        // Defend against cloned attroperties (jQuery gh-1709)
2270
                        uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {});
2271
2272
                        if ( skip && skip === elem.nodeName.toLowerCase() ) {
2273
                            elem = elem[ dir ] || elem;
2274
                        } else if ( (oldCache = uniqueCache[ key ]) &&
2275
                            oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
2276
2277
                            // Assign to newCache so results back-propagate to previous elements
2278
                            return (newCache[ 2 ] = oldCache[ 2 ]);
2279
                        } else {
2280
                            // Reuse newcache so results back-propagate to previous elements
2281
                            uniqueCache[ key ] = newCache;
2282
2283
                            // A match means we're done; a fail means we have to keep checking
2284
                            if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
2285
                                return true;
2286
                            }
2287
                        }
2288
                    }
2289
                }
2290
            }
2291
            return false;
2292
        };
2293
}
2294
2295
function elementMatcher( matchers ) {
2296
    return matchers.length > 1 ?
2297
        function( elem, context, xml ) {
2298
            var i = matchers.length;
2299
            while ( i-- ) {
2300
                if ( !matchers[i]( elem, context, xml ) ) {
2301
                    return false;
2302
                }
2303
            }
2304
            return true;
2305
        } :
2306
        matchers[0];
2307
}
2308
2309
function multipleContexts( selector, contexts, results ) {
2310
    var i = 0,
2311
        len = contexts.length;
2312
    for ( ; i < len; i++ ) {
2313
        Sizzle( selector, contexts[i], results );
2314
    }
2315
    return results;
2316
}
2317
2318
function condense( unmatched, map, filter, context, xml ) {
2319
    var elem,
2320
        newUnmatched = [],
2321
        i = 0,
2322
        len = unmatched.length,
2323
        mapped = map != null;
2324
2325
    for ( ; i < len; i++ ) {
2326
        if ( (elem = unmatched[i]) ) {
2327
            if ( !filter || filter( elem, context, xml ) ) {
2328
                newUnmatched.push( elem );
2329
                if ( mapped ) {
2330
                    map.push( i );
2331
                }
2332
            }
2333
        }
2334
    }
2335
2336
    return newUnmatched;
2337
}
2338
2339
function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
2340
    if ( postFilter && !postFilter[ expando ] ) {
2341
        postFilter = setMatcher( postFilter );
2342
    }
2343
    if ( postFinder && !postFinder[ expando ] ) {
2344
        postFinder = setMatcher( postFinder, postSelector );
2345
    }
2346
    return markFunction(function( seed, results, context, xml ) {
2347
        var temp, i, elem,
2348
            preMap = [],
2349
            postMap = [],
2350
            preexisting = results.length,
2351
2352
            // Get initial elements from seed or context
2353
            elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
2354
2355
            // Prefilter to get matcher input, preserving a map for seed-results synchronization
2356
            matcherIn = preFilter && ( seed || !selector ) ?
2357
                condense( elems, preMap, preFilter, context, xml ) :
2358
                elems,
2359
2360
            matcherOut = matcher ?
2361
                // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
2362
                postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
2363
2364
                    // ...intermediate processing is necessary
2365
                    [] :
2366
2367
                    // ...otherwise use results directly
2368
                    results :
2369
                matcherIn;
2370
2371
        // Find primary matches
2372
        if ( matcher ) {
2373
            matcher( matcherIn, matcherOut, context, xml );
2374
        }
2375
2376
        // Apply postFilter
2377
        if ( postFilter ) {
2378
            temp = condense( matcherOut, postMap );
2379
            postFilter( temp, [], context, xml );
2380
2381
            // Un-match failing elements by moving them back to matcherIn
2382
            i = temp.length;
2383
            while ( i-- ) {
2384
                if ( (elem = temp[i]) ) {
2385
                    matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
2386
                }
2387
            }
2388
        }
2389
2390
        if ( seed ) {
2391
            if ( postFinder || preFilter ) {
2392
                if ( postFinder ) {
2393
                    // Get the final matcherOut by condensing this intermediate into postFinder contexts
2394
                    temp = [];
2395
                    i = matcherOut.length;
2396
                    while ( i-- ) {
2397
                        if ( (elem = matcherOut[i]) ) {
2398
                            // Restore matcherIn since elem is not yet a final match
2399
                            temp.push( (matcherIn[i] = elem) );
2400
                        }
2401
                    }
2402
                    postFinder( null, (matcherOut = []), temp, xml );
2403
                }
2404
2405
                // Move matched elements from seed to results to keep them synchronized
2406
                i = matcherOut.length;
2407
                while ( i-- ) {
2408
                    if ( (elem = matcherOut[i]) &&
2409
                        (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {
2410
2411
                        seed[temp] = !(results[temp] = elem);
2412
                    }
2413
                }
2414
            }
2415
2416
        // Add elements to results, through postFinder if defined
2417
        } else {
2418
            matcherOut = condense(
2419
                matcherOut === results ?
2420
                    matcherOut.splice( preexisting, matcherOut.length ) :
2421
                    matcherOut
2422
            );
2423
            if ( postFinder ) {
2424
                postFinder( null, results, matcherOut, xml );
2425
            } else {
2426
                push.apply( results, matcherOut );
2427
            }
2428
        }
2429
    });
2430
}
2431
2432
function matcherFromTokens( tokens ) {
2433
    var checkContext, matcher, j,
2434
        len = tokens.length,
2435
        leadingRelative = Expr.relative[ tokens[0].type ],
2436
        implicitRelative = leadingRelative || Expr.relative[" "],
2437
        i = leadingRelative ? 1 : 0,
2438
2439
        // The foundational matcher ensures that elements are reachable from top-level context(s)
2440
        matchContext = addCombinator( function( elem ) {
2441
            return elem === checkContext;
2442
        }, implicitRelative, true ),
2443
        matchAnyContext = addCombinator( function( elem ) {
2444
            return indexOf( checkContext, elem ) > -1;
2445
        }, implicitRelative, true ),
2446
        matchers = [ function( elem, context, xml ) {
2447
            var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
2448
                (checkContext = context).nodeType ?
2449
                    matchContext( elem, context, xml ) :
2450
                    matchAnyContext( elem, context, xml ) );
2451
            // Avoid hanging onto element (issue #299)
2452
            checkContext = null;
2453
            return ret;
2454
        } ];
2455
2456
    for ( ; i < len; i++ ) {
2457
        if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
2458
            matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
2459
        } else {
2460
            matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
2461
2462
            // Return special upon seeing a positional matcher
2463
            if ( matcher[ expando ] ) {
2464
                // Find the next relative operator (if any) for proper handling
2465
                j = ++i;
2466
                for ( ; j < len; j++ ) {
2467
                    if ( Expr.relative[ tokens[j].type ] ) {
2468
                        break;
2469
                    }
2470
                }
2471
                return setMatcher(
2472
                    i > 1 && elementMatcher( matchers ),
2473
                    i > 1 && toSelector(
2474
                        // If the preceding token was a descendant combinator, insert an implicit any-element `*`
2475
                        tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
2476
                    ).replace( rtrim, "$1" ),
2477
                    matcher,
2478
                    i < j && matcherFromTokens( tokens.slice( i, j ) ),
2479
                    j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
2480
                    j < len && toSelector( tokens )
2481
                );
2482
            }
2483
            matchers.push( matcher );
2484
        }
2485
    }
2486
2487
    return elementMatcher( matchers );
2488
}
2489
2490
function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
2491
    var bySet = setMatchers.length > 0,
2492
        byElement = elementMatchers.length > 0,
2493
        superMatcher = function( seed, context, xml, results, outermost ) {
2494
            var elem, j, matcher,
2495
                matchedCount = 0,
2496
                i = "0",
2497
                unmatched = seed && [],
2498
                setMatched = [],
2499
                contextBackup = outermostContext,
2500
                // We must always have either seed elements or outermost context
2501
                elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
2502
                // Use integer dirruns iff this is the outermost matcher
2503
                dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
2504
                len = elems.length;
2505
2506
            if ( outermost ) {
2507
                outermostContext = context === document || context || outermost;
2508
            }
2509
2510
            // Add elements passing elementMatchers directly to results
2511
            // Support: IE<9, Safari
2512
            // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
2513
            for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
2514
                if ( byElement && elem ) {
2515
                    j = 0;
2516
                    if ( !context && elem.ownerDocument !== document ) {
2517
                        setDocument( elem );
2518
                        xml = !documentIsHTML;
2519
                    }
2520
                    while ( (matcher = elementMatchers[j++]) ) {
2521
                        if ( matcher( elem, context || document, xml) ) {
2522
                            results.push( elem );
2523
                            break;
2524
                        }
2525
                    }
2526
                    if ( outermost ) {
2527
                        dirruns = dirrunsUnique;
2528
                    }
2529
                }
2530
2531
                // Track unmatched elements for set filters
2532
                if ( bySet ) {
2533
                    // They will have gone through all possible matchers
2534
                    if ( (elem = !matcher && elem) ) {
2535
                        matchedCount--;
2536
                    }
2537
2538
                    // Lengthen the array for every element, matched or not
2539
                    if ( seed ) {
2540
                        unmatched.push( elem );
2541
                    }
2542
                }
2543
            }
2544
2545
            // `i` is now the count of elements visited above, and adding it to `matchedCount`
2546
            // makes the latter nonnegative.
2547
            matchedCount += i;
2548
2549
            // Apply set filters to unmatched elements
2550
            // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
2551
            // equals `i`), unless we didn't visit _any_ elements in the above loop because we have
2552
            // no element matchers and no seed.
2553
            // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
2554
            // case, which will result in a "00" `matchedCount` that differs from `i` but is also
2555
            // numerically zero.
2556
            if ( bySet && i !== matchedCount ) {
2557
                j = 0;
2558
                while ( (matcher = setMatchers[j++]) ) {
2559
                    matcher( unmatched, setMatched, context, xml );
2560
                }
2561
2562
                if ( seed ) {
2563
                    // Reintegrate element matches to eliminate the need for sorting
2564
                    if ( matchedCount > 0 ) {
2565
                        while ( i-- ) {
2566
                            if ( !(unmatched[i] || setMatched[i]) ) {
2567
                                setMatched[i] = pop.call( results );
2568
                            }
2569
                        }
2570
                    }
2571
2572
                    // Discard index placeholder values to get only actual matches
2573
                    setMatched = condense( setMatched );
2574
                }
2575
2576
                // Add matches to results
2577
                push.apply( results, setMatched );
2578
2579
                // Seedless set matches succeeding multiple successful matchers stipulate sorting
2580
                if ( outermost && !seed && setMatched.length > 0 &&
2581
                    ( matchedCount + setMatchers.length ) > 1 ) {
2582
2583
                    Sizzle.uniqueSort( results );
2584
                }
2585
            }
2586
2587
            // Override manipulation of globals by nested matchers
2588
            if ( outermost ) {
2589
                dirruns = dirrunsUnique;
2590
                outermostContext = contextBackup;
2591
            }
2592
2593
            return unmatched;
2594
        };
2595
2596
    return bySet ?
2597
        markFunction( superMatcher ) :
2598
        superMatcher;
2599
}
2600
2601
compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
2602
    var i,
2603
        setMatchers = [],
2604
        elementMatchers = [],
2605
        cached = compilerCache[ selector + " " ];
2606
2607
    if ( !cached ) {
2608
        // Generate a function of recursive functions that can be used to check each element
2609
        if ( !match ) {
2610
            match = tokenize( selector );
2611
        }
2612
        i = match.length;
2613
        while ( i-- ) {
2614
            cached = matcherFromTokens( match[i] );
2615
            if ( cached[ expando ] ) {
2616
                setMatchers.push( cached );
2617
            } else {
2618
                elementMatchers.push( cached );
2619
            }
2620
        }
2621
2622
        // Cache the compiled function
2623
        cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
2624
2625
        // Save selector and tokenization
2626
        cached.selector = selector;
2627
    }
2628
    return cached;
2629
};
2630
2631
/**
2632
 * A low-level selection function that works with Sizzle's compiled
2633
 *  selector functions
2634
 * @param {String|Function} selector A selector or a pre-compiled
2635
 *  selector function built with Sizzle.compile
2636
 * @param {Element} context
2637
 * @param {Array} [results]
2638
 * @param {Array} [seed] A set of elements to match against
2639
 */
2640
select = Sizzle.select = function( selector, context, results, seed ) {
2641
    var i, tokens, token, type, find,
2642
        compiled = typeof selector === "function" && selector,
2643
        match = !seed && tokenize( (selector = compiled.selector || selector) );
2644
2645
    results = results || [];
2646
2647
    // Try to minimize operations if there is only one selector in the list and no seed
2648
    // (the latter of which guarantees us context)
2649
    if ( match.length === 1 ) {
2650
2651
        // Reduce context if the leading compound selector is an ID
2652
        tokens = match[0] = match[0].slice( 0 );
2653
        if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
2654
                context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[1].type ] ) {
2655
2656
            context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
2657
            if ( !context ) {
2658
                return results;
2659
2660
            // Precompiled matchers will still verify ancestry, so step up a level
2661
            } else if ( compiled ) {
2662
                context = context.parentNode;
2663
            }
2664
2665
            selector = selector.slice( tokens.shift().value.length );
2666
        }
2667
2668
        // Fetch a seed set for right-to-left matching
2669
        i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
2670
        while ( i-- ) {
2671
            token = tokens[i];
2672
2673
            // Abort if we hit a combinator
2674
            if ( Expr.relative[ (type = token.type) ] ) {
2675
                break;
2676
            }
2677
            if ( (find = Expr.find[ type ]) ) {
2678
                // Search, expanding context for leading sibling combinators
2679
                if ( (seed = find(
2680
                    token.matches[0].replace( runescape, funescape ),
2681
                    rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
2682
                )) ) {
2683
2684
                    // If seed is empty or no tokens remain, we can return early
2685
                    tokens.splice( i, 1 );
2686
                    selector = seed.length && toSelector( tokens );
2687
                    if ( !selector ) {
2688
                        push.apply( results, seed );
2689
                        return results;
2690
                    }
2691
2692
                    break;
2693
                }
2694
            }
2695
        }
2696
    }
2697
2698
    // Compile and execute a filtering function if one is not provided
2699
    // Provide `match` to avoid retokenization if we modified the selector above
2700
    ( compiled || compile( selector, match ) )(
2701
        seed,
2702
        context,
2703
        !documentIsHTML,
2704
        results,
2705
        !context || rsibling.test( selector ) && testContext( context.parentNode ) || context
2706
    );
2707
    return results;
2708
};
2709
2710
// One-time assignments
2711
2712
// Sort stability
2713
support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
2714
2715
// Support: Chrome 14-35+
2716
// Always assume duplicates if they aren't passed to the comparison function
2717
support.detectDuplicates = !!hasDuplicate;
2718
2719
// Initialize against the default document
2720
setDocument();
2721
2722
// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
2723
// Detached nodes confoundingly follow *each other*
2724
support.sortDetached = assert(function( el ) {
2725
    // Should return 1, but returns 4 (following)
2726
    return el.compareDocumentPosition( document.createElement("fieldset") ) & 1;
2727
});
2728
2729
// Support: IE<8
2730
// Prevent attribute/property "interpolation"
2731
// https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
2732
if ( !assert(function( el ) {
2733
    el.innerHTML = "<a href='#'></a>";
2734
    return el.firstChild.getAttribute("href") === "#" ;
2735
}) ) {
2736
    addHandle( "type|href|height|width", function( elem, name, isXML ) {
2737
        if ( !isXML ) {
2738
            return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
2739
        }
2740
    });
2741
}
2742
2743
// Support: IE<9
2744
// Use defaultValue in place of getAttribute("value")
2745
if ( !support.attributes || !assert(function( el ) {
2746
    el.innerHTML = "<input/>";
2747
    el.firstChild.setAttribute( "value", "" );
2748
    return el.firstChild.getAttribute( "value" ) === "";
2749
}) ) {
2750
    addHandle( "value", function( elem, name, isXML ) {
2751
        if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
2752
            return elem.defaultValue;
2753
        }
2754
    });
2755
}
2756
2757
// Support: IE<9
2758
// Use getAttributeNode to fetch booleans when getAttribute lies
2759
if ( !assert(function( el ) {
2760
    return el.getAttribute("disabled") == null;
2761
}) ) {
2762
    addHandle( booleans, function( elem, name, isXML ) {
2763
        var val;
2764
        if ( !isXML ) {
2765
            return elem[ name ] === true ? name.toLowerCase() :
2766
                    (val = elem.getAttributeNode( name )) && val.specified ?
2767
                    val.value :
2768
                null;
2769
        }
2770
    });
2771
}
2772
2773
return Sizzle;
2774
2775
})( window );
2776
2777
2778
2779
jQuery.find = Sizzle;
2780
jQuery.expr = Sizzle.selectors;
2781
2782
// Deprecated
2783
jQuery.expr[ ":" ] = jQuery.expr.pseudos;
2784
jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
2785
jQuery.text = Sizzle.getText;
2786
jQuery.isXMLDoc = Sizzle.isXML;
2787
jQuery.contains = Sizzle.contains;
2788
jQuery.escapeSelector = Sizzle.escape;
2789
2790
2791
2792
2793
var dir = function( elem, dir, until ) {
2794
    var matched = [],
2795
        truncate = until !== undefined;
2796
2797
    while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {
2798
        if ( elem.nodeType === 1 ) {
2799
            if ( truncate && jQuery( elem ).is( until ) ) {
2800
                break;
2801
            }
2802
            matched.push( elem );
2803
        }
2804
    }
2805
    return matched;
2806
};
2807
2808
2809
var siblings = function( n, elem ) {
2810
    var matched = [];
2811
2812
    for ( ; n; n = n.nextSibling ) {
2813
        if ( n.nodeType === 1 && n !== elem ) {
2814
            matched.push( n );
2815
        }
2816
    }
2817
2818
    return matched;
2819
};
2820
2821
2822
var rneedsContext = jQuery.expr.match.needsContext;
2823
2824
2825
2826
function nodeName( elem, name ) {
2827
2828
  return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
2829
2830
};
2831
var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
2832
2833
2834
2835
// Implement the identical functionality for filter and not
2836
function winnow( elements, qualifier, not ) {
2837
    if ( isFunction( qualifier ) ) {
2838
        return jQuery.grep( elements, function( elem, i ) {
2839
            return !!qualifier.call( elem, i, elem ) !== not;
2840
        } );
2841
    }
2842
2843
    // Single element
2844
    if ( qualifier.nodeType ) {
2845
        return jQuery.grep( elements, function( elem ) {
2846
            return ( elem === qualifier ) !== not;
2847
        } );
2848
    }
2849
2850
    // Arraylike of elements (jQuery, arguments, Array)
2851
    if ( typeof qualifier !== "string" ) {
2852
        return jQuery.grep( elements, function( elem ) {
2853
            return ( indexOf.call( qualifier, elem ) > -1 ) !== not;
2854
        } );
2855
    }
2856
2857
    // Filtered directly for both simple and complex selectors
2858
    return jQuery.filter( qualifier, elements, not );
2859
}
2860
2861
jQuery.filter = function( expr, elems, not ) {
2862
    var elem = elems[ 0 ];
2863
2864
    if ( not ) {
2865
        expr = ":not(" + expr + ")";
2866
    }
2867
2868
    if ( elems.length === 1 && elem.nodeType === 1 ) {
2869
        return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [];
2870
    }
2871
2872
    return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
2873
        return elem.nodeType === 1;
2874
    } ) );
2875
};
2876
2877
jQuery.fn.extend( {
2878
    find: function( selector ) {
2879
        var i, ret,
2880
            len = this.length,
2881
            self = this;
2882
2883
        if ( typeof selector !== "string" ) {
2884
            return this.pushStack( jQuery( selector ).filter( function() {
2885
                for ( i = 0; i < len; i++ ) {
2886
                    if ( jQuery.contains( self[ i ], this ) ) {
2887
                        return true;
2888
                    }
2889
                }
2890
            } ) );
2891
        }
2892
2893
        ret = this.pushStack( [] );
2894
2895
        for ( i = 0; i < len; i++ ) {
2896
            jQuery.find( selector, self[ i ], ret );
2897
        }
2898
2899
        return len > 1 ? jQuery.uniqueSort( ret ) : ret;
2900
    },
2901
    filter: function( selector ) {
2902
        return this.pushStack( winnow( this, selector || [], false ) );
2903
    },
2904
    not: function( selector ) {
2905
        return this.pushStack( winnow( this, selector || [], true ) );
2906
    },
2907
    is: function( selector ) {
2908
        return !!winnow(
2909
            this,
2910
2911
            // If this is a positional/relative selector, check membership in the returned set
2912
            // so $("p:first").is("p:last") won't return true for a doc with two "p".
2913
            typeof selector === "string" && rneedsContext.test( selector ) ?
2914
                jQuery( selector ) :
2915
                selector || [],
2916
            false
2917
        ).length;
2918
    }
2919
} );
2920
2921
2922
// Initialize a jQuery object
2923
2924
2925
// A central reference to the root jQuery(document)
2926
var rootjQuery,
2927
2928
    // A simple way to check for HTML strings
2929
    // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
2930
    // Strict HTML recognition (#11290: must start with <)
2931
    // Shortcut simple #id case for speed
2932
    rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
2933
2934
    init = jQuery.fn.init = function( selector, context, root ) {
2935
        var match, elem;
2936
2937
        // HANDLE: $(""), $(null), $(undefined), $(false)
2938
        if ( !selector ) {
2939
            return this;
2940
        }
2941
2942
        // Method init() accepts an alternate rootjQuery
2943
        // so migrate can support jQuery.sub (gh-2101)
2944
        root = root || rootjQuery;
2945
2946
        // Handle HTML strings
2947
        if ( typeof selector === "string" ) {
2948
            if ( selector[ 0 ] === "<" &&
2949
                selector[ selector.length - 1 ] === ">" &&
2950
                selector.length >= 3 ) {
2951
2952
                // Assume that strings that start and end with <> are HTML and skip the regex check
2953
                match = [ null, selector, null ];
2954
2955
            } else {
2956
                match = rquickExpr.exec( selector );
2957
            }
2958
2959
            // Match html or make sure no context is specified for #id
2960
            if ( match && ( match[ 1 ] || !context ) ) {
2961
2962
                // HANDLE: $(html) -> $(array)
2963
                if ( match[ 1 ] ) {
2964
                    context = context instanceof jQuery ? context[ 0 ] : context;
2965
2966
                    // Option to run scripts is true for back-compat
2967
                    // Intentionally let the error be thrown if parseHTML is not present
2968
                    jQuery.merge( this, jQuery.parseHTML(
2969
                        match[ 1 ],
2970
                        context && context.nodeType ? context.ownerDocument || context : document,
2971
                        true
2972
                    ) );
2973
2974
                    // HANDLE: $(html, props)
2975
                    if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) {
2976
                        for ( match in context ) {
2977
2978
                            // Properties of context are called as methods if possible
2979
                            if ( isFunction( this[ match ] ) ) {
2980
                                this[ match ]( context[ match ] );
2981
2982
                            // ...and otherwise set as attributes
2983
                            } else {
2984
                                this.attr( match, context[ match ] );
2985
                            }
2986
                        }
2987
                    }
2988
2989
                    return this;
2990
2991
                // HANDLE: $(#id)
2992
                } else {
2993
                    elem = document.getElementById( match[ 2 ] );
2994
2995
                    if ( elem ) {
2996
2997
                        // Inject the element directly into the jQuery object
2998
                        this[ 0 ] = elem;
2999
                        this.length = 1;
3000
                    }
3001
                    return this;
3002
                }
3003
3004
            // HANDLE: $(expr, $(...))
3005
            } else if ( !context || context.jquery ) {
3006
                return ( context || root ).find( selector );
3007
3008
            // HANDLE: $(expr, context)
3009
            // (which is just equivalent to: $(context).find(expr)
3010
            } else {
3011
                return this.constructor( context ).find( selector );
3012
            }
3013
3014
        // HANDLE: $(DOMElement)
3015
        } else if ( selector.nodeType ) {
3016
            this[ 0 ] = selector;
3017
            this.length = 1;
3018
            return this;
3019
3020
        // HANDLE: $(function)
3021
        // Shortcut for document ready
3022
        } else if ( isFunction( selector ) ) {
3023
            return root.ready !== undefined ?
3024
                root.ready( selector ) :
3025
3026
                // Execute immediately if ready is not present
3027
                selector( jQuery );
3028
        }
3029
3030
        return jQuery.makeArray( selector, this );
3031
    };
3032
3033
// Give the init function the jQuery prototype for later instantiation
3034
init.prototype = jQuery.fn;
3035
3036
// Initialize central reference
3037
rootjQuery = jQuery( document );
3038
3039
3040
var rparentsprev = /^(?:parents|prev(?:Until|All))/,
3041
3042
    // Methods guaranteed to produce a unique set when starting from a unique set
3043
    guaranteedUnique = {
3044
        children: true,
3045
        contents: true,
3046
        next: true,
3047
        prev: true
3048
    };
3049
3050
jQuery.fn.extend( {
3051
    has: function( target ) {
3052
        var targets = jQuery( target, this ),
3053
            l = targets.length;
3054
3055
        return this.filter( function() {
3056
            var i = 0;
3057
            for ( ; i < l; i++ ) {
3058
                if ( jQuery.contains( this, targets[ i ] ) ) {
3059
                    return true;
3060
                }
3061
            }
3062
        } );
3063
    },
3064
3065
    closest: function( selectors, context ) {
3066
        var cur,
3067
            i = 0,
3068
            l = this.length,
3069
            matched = [],
3070
            targets = typeof selectors !== "string" && jQuery( selectors );
3071
3072
        // Positional selectors never match, since there's no _selection_ context
3073
        if ( !rneedsContext.test( selectors ) ) {
3074
            for ( ; i < l; i++ ) {
3075
                for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
3076
3077
                    // Always skip document fragments
3078
                    if ( cur.nodeType < 11 && ( targets ?
3079
                        targets.index( cur ) > -1 :
3080
3081
                        // Don't pass non-elements to Sizzle
3082
                        cur.nodeType === 1 &&
3083
                            jQuery.find.matchesSelector( cur, selectors ) ) ) {
3084
3085
                        matched.push( cur );
3086
                        break;
3087
                    }
3088
                }
3089
            }
3090
        }
3091
3092
        return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );
3093
    },
3094
3095
    // Determine the position of an element within the set
3096
    index: function( elem ) {
3097
3098
        // No argument, return index in parent
3099
        if ( !elem ) {
3100
            return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
3101
        }
3102
3103
        // Index in selector
3104
        if ( typeof elem === "string" ) {
3105
            return indexOf.call( jQuery( elem ), this[ 0 ] );
3106
        }
3107
3108
        // Locate the position of the desired element
3109
        return indexOf.call( this,
3110
3111
            // If it receives a jQuery object, the first element is used
3112
            elem.jquery ? elem[ 0 ] : elem
3113
        );
3114
    },
3115
3116
    add: function( selector, context ) {
3117
        return this.pushStack(
3118
            jQuery.uniqueSort(
3119
                jQuery.merge( this.get(), jQuery( selector, context ) )
3120
            )
3121
        );
3122
    },
3123
3124
    addBack: function( selector ) {
3125
        return this.add( selector == null ?
3126
            this.prevObject : this.prevObject.filter( selector )
3127
        );
3128
    }
3129
} );
3130
3131
function sibling( cur, dir ) {
3132
    while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}
3133
    return cur;
3134
}
3135
3136
jQuery.each( {
3137
    parent: function( elem ) {
3138
        var parent = elem.parentNode;
3139
        return parent && parent.nodeType !== 11 ? parent : null;
3140
    },
3141
    parents: function( elem ) {
3142
        return dir( elem, "parentNode" );
3143
    },
3144
    parentsUntil: function( elem, i, until ) {
3145
        return dir( elem, "parentNode", until );
3146
    },
3147
    next: function( elem ) {
3148
        return sibling( elem, "nextSibling" );
3149
    },
3150
    prev: function( elem ) {
3151
        return sibling( elem, "previousSibling" );
3152
    },
3153
    nextAll: function( elem ) {
3154
        return dir( elem, "nextSibling" );
3155
    },
3156
    prevAll: function( elem ) {
3157
        return dir( elem, "previousSibling" );
3158
    },
3159
    nextUntil: function( elem, i, until ) {
3160
        return dir( elem, "nextSibling", until );
3161
    },
3162
    prevUntil: function( elem, i, until ) {
3163
        return dir( elem, "previousSibling", until );
3164
    },
3165
    siblings: function( elem ) {
3166
        return siblings( ( elem.parentNode || {} ).firstChild, elem );
3167
    },
3168
    children: function( elem ) {
3169
        return siblings( elem.firstChild );
3170
    },
3171
    contents: function( elem ) {
3172
        if ( typeof elem.contentDocument !== "undefined" ) {
3173
            return elem.contentDocument;
3174
        }
3175
3176
        // Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only
3177
        // Treat the template element as a regular one in browsers that
3178
        // don't support it.
3179
        if ( nodeName( elem, "template" ) ) {
3180
            elem = elem.content || elem;
3181
        }
3182
3183
        return jQuery.merge( [], elem.childNodes );
3184
    }
3185
}, function( name, fn ) {
3186
    jQuery.fn[ name ] = function( until, selector ) {
3187
        var matched = jQuery.map( this, fn, until );
3188
3189
        if ( name.slice( -5 ) !== "Until" ) {
3190
            selector = until;
3191
        }
3192
3193
        if ( selector && typeof selector === "string" ) {
3194
            matched = jQuery.filter( selector, matched );
3195
        }
3196
3197
        if ( this.length > 1 ) {
3198
3199
            // Remove duplicates
3200
            if ( !guaranteedUnique[ name ] ) {
3201
                jQuery.uniqueSort( matched );
3202
            }
3203
3204
            // Reverse order for parents* and prev-derivatives
3205
            if ( rparentsprev.test( name ) ) {
3206
                matched.reverse();
3207
            }
3208
        }
3209
3210
        return this.pushStack( matched );
3211
    };
3212
} );
3213
var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g );
3214
3215
3216
3217
// Convert String-formatted options into Object-formatted ones
3218
function createOptions( options ) {
3219
    var object = {};
3220
    jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) {
3221
        object[ flag ] = true;
3222
    } );
3223
    return object;
3224
}
3225
3226
/*
3227
 * Create a callback list using the following parameters:
3228
 *
3229
 *  options: an optional list of space-separated options that will change how
3230
 *          the callback list behaves or a more traditional option object
3231
 *
3232
 * By default a callback list will act like an event callback list and can be
3233
 * "fired" multiple times.
3234
 *
3235
 * Possible options:
3236
 *
3237
 *  once:           will ensure the callback list can only be fired once (like a Deferred)
3238
 *
3239
 *  memory:         will keep track of previous values and will call any callback added
3240
 *                  after the list has been fired right away with the latest "memorized"
3241
 *                  values (like a Deferred)
3242
 *
3243
 *  unique:         will ensure a callback can only be added once (no duplicate in the list)
3244
 *
3245
 *  stopOnFalse:    interrupt callings when a callback returns false
3246
 *
3247
 */
3248
jQuery.Callbacks = function( options ) {
3249
3250
    // Convert options from String-formatted to Object-formatted if needed
3251
    // (we check in cache first)
3252
    options = typeof options === "string" ?
3253
        createOptions( options ) :
3254
        jQuery.extend( {}, options );
3255
3256
    var // Flag to know if list is currently firing
3257
        firing,
3258
3259
        // Last fire value for non-forgettable lists
3260
        memory,
3261
3262
        // Flag to know if list was already fired
3263
        fired,
3264
3265
        // Flag to prevent firing
3266
        locked,
3267
3268
        // Actual callback list
3269
        list = [],
3270
3271
        // Queue of execution data for repeatable lists
3272
        queue = [],
3273
3274
        // Index of currently firing callback (modified by add/remove as needed)
3275
        firingIndex = -1,
3276
3277
        // Fire callbacks
3278
        fire = function() {
3279
3280
            // Enforce single-firing
3281
            locked = locked || options.once;
3282
3283
            // Execute callbacks for all pending executions,
3284
            // respecting firingIndex overrides and runtime changes
3285
            fired = firing = true;
3286
            for ( ; queue.length; firingIndex = -1 ) {
3287
                memory = queue.shift();
3288
                while ( ++firingIndex < list.length ) {
3289
3290
                    // Run callback and check for early termination
3291
                    if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&
3292
                        options.stopOnFalse ) {
3293
3294
                        // Jump to end and forget the data so .add doesn't re-fire
3295
                        firingIndex = list.length;
3296
                        memory = false;
3297
                    }
3298
                }
3299
            }
3300
3301
            // Forget the data if we're done with it
3302
            if ( !options.memory ) {
3303
                memory = false;
3304
            }
3305
3306
            firing = false;
3307
3308
            // Clean up if we're done firing for good
3309
            if ( locked ) {
3310
3311
                // Keep an empty list if we have data for future add calls
3312
                if ( memory ) {
3313
                    list = [];
3314
3315
                // Otherwise, this object is spent
3316
                } else {
3317
                    list = "";
3318
                }
3319
            }
3320
        },
3321
3322
        // Actual Callbacks object
3323
        self = {
3324
3325
            // Add a callback or a collection of callbacks to the list
3326
            add: function() {
3327
                if ( list ) {
3328
3329
                    // If we have memory from a past run, we should fire after adding
3330
                    if ( memory && !firing ) {
3331
                        firingIndex = list.length - 1;
3332
                        queue.push( memory );
3333
                    }
3334
3335
                    ( function add( args ) {
3336
                        jQuery.each( args, function( _, arg ) {
3337
                            if ( isFunction( arg ) ) {
3338
                                if ( !options.unique || !self.has( arg ) ) {
3339
                                    list.push( arg );
3340
                                }
3341
                            } else if ( arg && arg.length && toType( arg ) !== "string" ) {
3342
3343
                                // Inspect recursively
3344
                                add( arg );
3345
                            }
3346
                        } );
3347
                    } )( arguments );
3348
3349
                    if ( memory && !firing ) {
3350
                        fire();
3351
                    }
3352
                }
3353
                return this;
3354
            },
3355
3356
            // Remove a callback from the list
3357
            remove: function() {
3358
                jQuery.each( arguments, function( _, arg ) {
3359
                    var index;
3360
                    while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
3361
                        list.splice( index, 1 );
3362
3363
                        // Handle firing indexes
3364
                        if ( index <= firingIndex ) {
3365
                            firingIndex--;
3366
                        }
3367
                    }
3368
                } );
3369
                return this;
3370
            },
3371
3372
            // Check if a given callback is in the list.
3373
            // If no argument is given, return whether or not list has callbacks attached.
3374
            has: function( fn ) {
3375
                return fn ?
3376
                    jQuery.inArray( fn, list ) > -1 :
3377
                    list.length > 0;
3378
            },
3379
3380
            // Remove all callbacks from the list
3381
            empty: function() {
3382
                if ( list ) {
3383
                    list = [];
3384
                }
3385
                return this;
3386
            },
3387
3388
            // Disable .fire and .add
3389
            // Abort any current/pending executions
3390
            // Clear all callbacks and values
3391
            disable: function() {
3392
                locked = queue = [];
3393
                list = memory = "";
3394
                return this;
3395
            },
3396
            disabled: function() {
3397
                return !list;
3398
            },
3399
3400
            // Disable .fire
3401
            // Also disable .add unless we have memory (since it would have no effect)
3402
            // Abort any pending executions
3403
            lock: function() {
3404
                locked = queue = [];
3405
                if ( !memory && !firing ) {
3406
                    list = memory = "";
3407
                }
3408
                return this;
3409
            },
3410
            locked: function() {
3411
                return !!locked;
3412
            },
3413
3414
            // Call all callbacks with the given context and arguments
3415
            fireWith: function( context, args ) {
3416
                if ( !locked ) {
3417
                    args = args || [];
3418
                    args = [ context, args.slice ? args.slice() : args ];
3419
                    queue.push( args );
3420
                    if ( !firing ) {
3421
                        fire();
3422
                    }
3423
                }
3424
                return this;
3425
            },
3426
3427
            // Call all the callbacks with the given arguments
3428
            fire: function() {
3429
                self.fireWith( this, arguments );
3430
                return this;
3431
            },
3432
3433
            // To know if the callbacks have already been called at least once
3434
            fired: function() {
3435
                return !!fired;
3436
            }
3437
        };
3438
3439
    return self;
3440
};
3441
3442
3443
function Identity( v ) {
3444
    return v;
3445
}
3446
function Thrower( ex ) {
3447
    throw ex;
3448
}
3449
3450
function adoptValue( value, resolve, reject, noValue ) {
3451
    var method;
3452
3453
    try {
3454
3455
        // Check for promise aspect first to privilege synchronous behavior
3456
        if ( value && isFunction( ( method = value.promise ) ) ) {
3457
            method.call( value ).done( resolve ).fail( reject );
3458
3459
        // Other thenables
3460
        } else if ( value && isFunction( ( method = value.then ) ) ) {
3461
            method.call( value, resolve, reject );
3462
3463
        // Other non-thenables
3464
        } else {
3465
3466
            // Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer:
3467
            // * false: [ value ].slice( 0 ) => resolve( value )
3468
            // * true: [ value ].slice( 1 ) => resolve()
3469
            resolve.apply( undefined, [ value ].slice( noValue ) );
3470
        }
3471
3472
    // For Promises/A+, convert exceptions into rejections
3473
    // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in
3474
    // Deferred#then to conditionally suppress rejection.
3475
    } catch ( value ) {
3476
3477
        // Support: Android 4.0 only
3478
        // Strict mode functions invoked without .call/.apply get global-object context
3479
        reject.apply( undefined, [ value ] );
3480
    }
3481
}
3482
3483
jQuery.extend( {
3484
3485
    Deferred: function( func ) {
3486
        var tuples = [
3487
3488
                // action, add listener, callbacks,
3489
                // ... .then handlers, argument index, [final state]
3490
                [ "notify", "progress", jQuery.Callbacks( "memory" ),
3491
                    jQuery.Callbacks( "memory" ), 2 ],
3492
                [ "resolve", "done", jQuery.Callbacks( "once memory" ),
3493
                    jQuery.Callbacks( "once memory" ), 0, "resolved" ],
3494
                [ "reject", "fail", jQuery.Callbacks( "once memory" ),
3495
                    jQuery.Callbacks( "once memory" ), 1, "rejected" ]
3496
            ],
3497
            state = "pending",
3498
            promise = {
3499
                state: function() {
3500
                    return state;
3501
                },
3502
                always: function() {
3503
                    deferred.done( arguments ).fail( arguments );
3504
                    return this;
3505
                },
3506
                "catch": function( fn ) {
3507
                    return promise.then( null, fn );
3508
                },
3509
3510
                // Keep pipe for back-compat
3511
                pipe: function( /* fnDone, fnFail, fnProgress */ ) {
3512
                    var fns = arguments;
3513
3514
                    return jQuery.Deferred( function( newDefer ) {
3515
                        jQuery.each( tuples, function( i, tuple ) {
3516
3517
                            // Map tuples (progress, done, fail) to arguments (done, fail, progress)
3518
                            var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];
3519
3520
                            // deferred.progress(function() { bind to newDefer or newDefer.notify })
3521
                            // deferred.done(function() { bind to newDefer or newDefer.resolve })
3522
                            // deferred.fail(function() { bind to newDefer or newDefer.reject })
3523
                            deferred[ tuple[ 1 ] ]( function() {
3524
                                var returned = fn && fn.apply( this, arguments );
3525
                                if ( returned && isFunction( returned.promise ) ) {
3526
                                    returned.promise()
3527
                                        .progress( newDefer.notify )
3528
                                        .done( newDefer.resolve )
3529
                                        .fail( newDefer.reject );
3530
                                } else {
3531
                                    newDefer[ tuple[ 0 ] + "With" ](
3532
                                        this,
3533
                                        fn ? [ returned ] : arguments
3534
                                    );
3535
                                }
3536
                            } );
3537
                        } );
3538
                        fns = null;
3539
                    } ).promise();
3540
                },
3541
                then: function( onFulfilled, onRejected, onProgress ) {
3542
                    var maxDepth = 0;
3543
                    function resolve( depth, deferred, handler, special ) {
3544
                        return function() {
3545
                            var that = this,
3546
                                args = arguments,
3547
                                mightThrow = function() {
3548
                                    var returned, then;
3549
3550
                                    // Support: Promises/A+ section 2.3.3.3.3
3551
                                    // https://promisesaplus.com/#point-59
3552
                                    // Ignore double-resolution attempts
3553
                                    if ( depth < maxDepth ) {
3554
                                        return;
3555
                                    }
3556
3557
                                    returned = handler.apply( that, args );
3558
3559
                                    // Support: Promises/A+ section 2.3.1
3560
                                    // https://promisesaplus.com/#point-48
3561
                                    if ( returned === deferred.promise() ) {
3562
                                        throw new TypeError( "Thenable self-resolution" );
3563
                                    }
3564
3565
                                    // Support: Promises/A+ sections 2.3.3.1, 3.5
3566
                                    // https://promisesaplus.com/#point-54
3567
                                    // https://promisesaplus.com/#point-75
3568
                                    // Retrieve `then` only once
3569
                                    then = returned &&
3570
3571
                                        // Support: Promises/A+ section 2.3.4
3572
                                        // https://promisesaplus.com/#point-64
3573
                                        // Only check objects and functions for thenability
3574
                                        ( typeof returned === "object" ||
3575
                                            typeof returned === "function" ) &&
3576
                                        returned.then;
3577
3578
                                    // Handle a returned thenable
3579
                                    if ( isFunction( then ) ) {
3580
3581
                                        // Special processors (notify) just wait for resolution
3582
                                        if ( special ) {
3583
                                            then.call(
3584
                                                returned,
3585
                                                resolve( maxDepth, deferred, Identity, special ),
3586
                                                resolve( maxDepth, deferred, Thrower, special )
3587
                                            );
3588
3589
                                        // Normal processors (resolve) also hook into progress
3590
                                        } else {
3591
3592
                                            // ...and disregard older resolution values
3593
                                            maxDepth++;
3594
3595
                                            then.call(
3596
                                                returned,
3597
                                                resolve( maxDepth, deferred, Identity, special ),
3598
                                                resolve( maxDepth, deferred, Thrower, special ),
3599
                                                resolve( maxDepth, deferred, Identity,
3600
                                                    deferred.notifyWith )
3601
                                            );
3602
                                        }
3603
3604
                                    // Handle all other returned values
3605
                                    } else {
3606
3607
                                        // Only substitute handlers pass on context
3608
                                        // and multiple values (non-spec behavior)
3609
                                        if ( handler !== Identity ) {
3610
                                            that = undefined;
3611
                                            args = [ returned ];
3612
                                        }
3613
3614
                                        // Process the value(s)
3615
                                        // Default process is resolve
3616
                                        ( special || deferred.resolveWith )( that, args );
3617
                                    }
3618
                                },
3619
3620
                                // Only normal processors (resolve) catch and reject exceptions
3621
                                process = special ?
3622
                                    mightThrow :
3623
                                    function() {
3624
                                        try {
3625
                                            mightThrow();
3626
                                        } catch ( e ) {
3627
3628
                                            if ( jQuery.Deferred.exceptionHook ) {
3629
                                                jQuery.Deferred.exceptionHook( e,
3630
                                                    process.stackTrace );
3631
                                            }
3632
3633
                                            // Support: Promises/A+ section 2.3.3.3.4.1
3634
                                            // https://promisesaplus.com/#point-61
3635
                                            // Ignore post-resolution exceptions
3636
                                            if ( depth + 1 >= maxDepth ) {
3637
3638
                                                // Only substitute handlers pass on context
3639
                                                // and multiple values (non-spec behavior)
3640
                                                if ( handler !== Thrower ) {
3641
                                                    that = undefined;
3642
                                                    args = [ e ];
3643
                                                }
3644
3645
                                                deferred.rejectWith( that, args );
3646
                                            }
3647
                                        }
3648
                                    };
3649
3650
                            // Support: Promises/A+ section 2.3.3.3.1
3651
                            // https://promisesaplus.com/#point-57
3652
                            // Re-resolve promises immediately to dodge false rejection from
3653
                            // subsequent errors
3654
                            if ( depth ) {
3655
                                process();
3656
                            } else {
3657
3658
                                // Call an optional hook to record the stack, in case of exception
3659
                                // since it's otherwise lost when execution goes async
3660
                                if ( jQuery.Deferred.getStackHook ) {
3661
                                    process.stackTrace = jQuery.Deferred.getStackHook();
3662
                                }
3663
                                window.setTimeout( process );
3664
                            }
3665
                        };
3666
                    }
3667
3668
                    return jQuery.Deferred( function( newDefer ) {
3669
3670
                        // progress_handlers.add( ... )
3671
                        tuples[ 0 ][ 3 ].add(
3672
                            resolve(
3673
                                0,
3674
                                newDefer,
3675
                                isFunction( onProgress ) ?
3676
                                    onProgress :
3677
                                    Identity,
3678
                                newDefer.notifyWith
3679
                            )
3680
                        );
3681
3682
                        // fulfilled_handlers.add( ... )
3683
                        tuples[ 1 ][ 3 ].add(
3684
                            resolve(
3685
                                0,
3686
                                newDefer,
3687
                                isFunction( onFulfilled ) ?
3688
                                    onFulfilled :
3689
                                    Identity
3690
                            )
3691
                        );
3692
3693
                        // rejected_handlers.add( ... )
3694
                        tuples[ 2 ][ 3 ].add(
3695
                            resolve(
3696
                                0,
3697
                                newDefer,
3698
                                isFunction( onRejected ) ?
3699
                                    onRejected :
3700
                                    Thrower
3701
                            )
3702
                        );
3703
                    } ).promise();
3704
                },
3705
3706
                // Get a promise for this deferred
3707
                // If obj is provided, the promise aspect is added to the object
3708
                promise: function( obj ) {
3709
                    return obj != null ? jQuery.extend( obj, promise ) : promise;
3710
                }
3711
            },
3712
            deferred = {};
3713
3714
        // Add list-specific methods
3715
        jQuery.each( tuples, function( i, tuple ) {
3716
            var list = tuple[ 2 ],
3717
                stateString = tuple[ 5 ];
3718
3719
            // promise.progress = list.add
3720
            // promise.done = list.add
3721
            // promise.fail = list.add
3722
            promise[ tuple[ 1 ] ] = list.add;
3723
3724
            // Handle state
3725
            if ( stateString ) {
3726
                list.add(
3727
                    function() {
3728
3729
                        // state = "resolved" (i.e., fulfilled)
3730
                        // state = "rejected"
3731
                        state = stateString;
3732
                    },
3733
3734
                    // rejected_callbacks.disable
3735
                    // fulfilled_callbacks.disable
3736
                    tuples[ 3 - i ][ 2 ].disable,
3737
3738
                    // rejected_handlers.disable
3739
                    // fulfilled_handlers.disable
3740
                    tuples[ 3 - i ][ 3 ].disable,
3741
3742
                    // progress_callbacks.lock
3743
                    tuples[ 0 ][ 2 ].lock,
3744
3745
                    // progress_handlers.lock
3746
                    tuples[ 0 ][ 3 ].lock
3747
                );
3748
            }
3749
3750
            // progress_handlers.fire
3751
            // fulfilled_handlers.fire
3752
            // rejected_handlers.fire
3753
            list.add( tuple[ 3 ].fire );
3754
3755
            // deferred.notify = function() { deferred.notifyWith(...) }
3756
            // deferred.resolve = function() { deferred.resolveWith(...) }
3757
            // deferred.reject = function() { deferred.rejectWith(...) }
3758
            deferred[ tuple[ 0 ] ] = function() {
3759
                deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments );
3760
                return this;
3761
            };
3762
3763
            // deferred.notifyWith = list.fireWith
3764
            // deferred.resolveWith = list.fireWith
3765
            // deferred.rejectWith = list.fireWith
3766
            deferred[ tuple[ 0 ] + "With" ] = list.fireWith;
3767
        } );
3768
3769
        // Make the deferred a promise
3770
        promise.promise( deferred );
3771
3772
        // Call given func if any
3773
        if ( func ) {
3774
            func.call( deferred, deferred );
3775
        }
3776
3777
        // All done!
3778
        return deferred;
3779
    },
3780
3781
    // Deferred helper
3782
    when: function( singleValue ) {
3783
        var
3784
3785
            // count of uncompleted subordinates
3786
            remaining = arguments.length,
3787
3788
            // count of unprocessed arguments
3789
            i = remaining,
3790
3791
            // subordinate fulfillment data
3792
            resolveContexts = Array( i ),
3793
            resolveValues = slice.call( arguments ),
3794
3795
            // the master Deferred
3796
            master = jQuery.Deferred(),
3797
3798
            // subordinate callback factory
3799
            updateFunc = function( i ) {
3800
                return function( value ) {
3801
                    resolveContexts[ i ] = this;
3802
                    resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
3803
                    if ( !( --remaining ) ) {
3804
                        master.resolveWith( resolveContexts, resolveValues );
3805
                    }
3806
                };
3807
            };
3808
3809
        // Single- and empty arguments are adopted like Promise.resolve
3810
        if ( remaining <= 1 ) {
3811
            adoptValue( singleValue, master.done( updateFunc( i ) ).resolve, master.reject,
3812
                !remaining );
3813
3814
            // Use .then() to unwrap secondary thenables (cf. gh-3000)
3815
            if ( master.state() === "pending" ||
3816
                isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) {
3817
3818
                return master.then();
3819
            }
3820
        }
3821
3822
        // Multiple arguments are aggregated like Promise.all array elements
3823
        while ( i-- ) {
3824
            adoptValue( resolveValues[ i ], updateFunc( i ), master.reject );
3825
        }
3826
3827
        return master.promise();
3828
    }
3829
} );
3830
3831
3832
// These usually indicate a programmer mistake during development,
3833
// warn about them ASAP rather than swallowing them by default.
3834
var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
3835
3836
jQuery.Deferred.exceptionHook = function( error, stack ) {
3837
3838
    // Support: IE 8 - 9 only
3839
    // Console exists when dev tools are open, which can happen at any time
3840
    if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) {
3841
        window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack );
3842
    }
3843
};
3844
3845
3846
3847
3848
jQuery.readyException = function( error ) {
3849
    window.setTimeout( function() {
3850
        throw error;
3851
    } );
3852
};
3853
3854
3855
3856
3857
// The deferred used on DOM ready
3858
var readyList = jQuery.Deferred();
3859
3860
jQuery.fn.ready = function( fn ) {
3861
3862
    readyList
3863
        .then( fn )
3864
3865
        // Wrap jQuery.readyException in a function so that the lookup
3866
        // happens at the time of error handling instead of callback
3867
        // registration.
3868
        .catch( function( error ) {
3869
            jQuery.readyException( error );
3870
        } );
3871
3872
    return this;
3873
};
3874
3875
jQuery.extend( {
3876
3877
    // Is the DOM ready to be used? Set to true once it occurs.
3878
    isReady: false,
3879
3880
    // A counter to track how many items to wait for before
3881
    // the ready event fires. See #6781
3882
    readyWait: 1,
3883
3884
    // Handle when the DOM is ready
3885
    ready: function( wait ) {
3886
3887
        // Abort if there are pending holds or we're already ready
3888
        if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
3889
            return;
3890
        }
3891
3892
        // Remember that the DOM is ready
3893
        jQuery.isReady = true;
3894
3895
        // If a normal DOM Ready event fired, decrement, and wait if need be
3896
        if ( wait !== true && --jQuery.readyWait > 0 ) {
3897
            return;
3898
        }
3899
3900
        // If there are functions bound, to execute
3901
        readyList.resolveWith( document, [ jQuery ] );
3902
    }
3903
} );
3904
3905
jQuery.ready.then = readyList.then;
3906
3907
// The ready event handler and self cleanup method
3908
function completed() {
3909
    document.removeEventListener( "DOMContentLoaded", completed );
3910
    window.removeEventListener( "load", completed );
3911
    jQuery.ready();
3912
}
3913
3914
// Catch cases where $(document).ready() is called
3915
// after the browser event has already occurred.
3916
// Support: IE <=9 - 10 only
3917
// Older IE sometimes signals "interactive" too soon
3918
if ( document.readyState === "complete" ||
3919
    ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
3920
3921
    // Handle it asynchronously to allow scripts the opportunity to delay ready
3922
    window.setTimeout( jQuery.ready );
3923
3924
} else {
3925
3926
    // Use the handy event callback
3927
    document.addEventListener( "DOMContentLoaded", completed );
3928
3929
    // A fallback to window.onload, that will always work
3930
    window.addEventListener( "load", completed );
3931
}
3932
3933
3934
3935
3936
// Multifunctional method to get and set values of a collection
3937
// The value/s can optionally be executed if it's a function
3938
var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
3939
    var i = 0,
3940
        len = elems.length,
3941
        bulk = key == null;
3942
3943
    // Sets many values
3944
    if ( toType( key ) === "object" ) {
3945
        chainable = true;
3946
        for ( i in key ) {
3947
            access( elems, fn, i, key[ i ], true, emptyGet, raw );
3948
        }
3949
3950
    // Sets one value
3951
    } else if ( value !== undefined ) {
3952
        chainable = true;
3953
3954
        if ( !isFunction( value ) ) {
3955
            raw = true;
3956
        }
3957
3958
        if ( bulk ) {
3959
3960
            // Bulk operations run against the entire set
3961
            if ( raw ) {
3962
                fn.call( elems, value );
3963
                fn = null;
3964
3965
            // ...except when executing function values
3966
            } else {
3967
                bulk = fn;
3968
                fn = function( elem, key, value ) {
3969
                    return bulk.call( jQuery( elem ), value );
3970
                };
3971
            }
3972
        }
3973
3974
        if ( fn ) {
3975
            for ( ; i < len; i++ ) {
3976
                fn(
3977
                    elems[ i ], key, raw ?
3978
                    value :
3979
                    value.call( elems[ i ], i, fn( elems[ i ], key ) )
3980
                );
3981
            }
3982
        }
3983
    }
3984
3985
    if ( chainable ) {
3986
        return elems;
3987
    }
3988
3989
    // Gets
3990
    if ( bulk ) {
3991
        return fn.call( elems );
3992
    }
3993
3994
    return len ? fn( elems[ 0 ], key ) : emptyGet;
3995
};
3996
3997
3998
// Matches dashed string for camelizing
3999
var rmsPrefix = /^-ms-/,
4000
    rdashAlpha = /-([a-z])/g;
4001
4002
// Used by camelCase as callback to replace()
4003
function fcamelCase( all, letter ) {
4004
    return letter.toUpperCase();
4005
}
4006
4007
// Convert dashed to camelCase; used by the css and data modules
4008
// Support: IE <=9 - 11, Edge 12 - 15
4009
// Microsoft forgot to hump their vendor prefix (#9572)
4010
function camelCase( string ) {
4011
    return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
4012
}
4013
var acceptData = function( owner ) {
4014
4015
    // Accepts only:
4016
    //  - Node
4017
    //    - Node.ELEMENT_NODE
4018
    //    - Node.DOCUMENT_NODE
4019
    //  - Object
4020
    //    - Any
4021
    return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
4022
};
4023
4024
4025
4026
4027
function Data() {
4028
    this.expando = jQuery.expando + Data.uid++;
4029
}
4030
4031
Data.uid = 1;
4032
4033
Data.prototype = {
4034
4035
    cache: function( owner ) {
4036
4037
        // Check if the owner object already has a cache
4038
        var value = owner[ this.expando ];
4039
4040
        // If not, create one
4041
        if ( !value ) {
4042
            value = {};
4043
4044
            // We can accept data for non-element nodes in modern browsers,
4045
            // but we should not, see #8335.
4046
            // Always return an empty object.
4047
            if ( acceptData( owner ) ) {
4048
4049
                // If it is a node unlikely to be stringify-ed or looped over
4050
                // use plain assignment
4051
                if ( owner.nodeType ) {
4052
                    owner[ this.expando ] = value;
4053
4054
                // Otherwise secure it in a non-enumerable property
4055
                // configurable must be true to allow the property to be
4056
                // deleted when data is removed
4057
                } else {
4058
                    Object.defineProperty( owner, this.expando, {
4059
                        value: value,
4060
                        configurable: true
4061
                    } );
4062
                }
4063
            }
4064
        }
4065
4066
        return value;
4067
    },
4068
    set: function( owner, data, value ) {
4069
        var prop,
4070
            cache = this.cache( owner );
4071
4072
        // Handle: [ owner, key, value ] args
4073
        // Always use camelCase key (gh-2257)
4074
        if ( typeof data === "string" ) {
4075
            cache[ camelCase( data ) ] = value;
4076
4077
        // Handle: [ owner, { properties } ] args
4078
        } else {
4079
4080
            // Copy the properties one-by-one to the cache object
4081
            for ( prop in data ) {
4082
                cache[ camelCase( prop ) ] = data[ prop ];
4083
            }
4084
        }
4085
        return cache;
4086
    },
4087
    get: function( owner, key ) {
4088
        return key === undefined ?
4089
            this.cache( owner ) :
4090
4091
            // Always use camelCase key (gh-2257)
4092
            owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ];
4093
    },
4094
    access: function( owner, key, value ) {
4095
4096
        // In cases where either:
4097
        //
4098
        //   1. No key was specified
4099
        //   2. A string key was specified, but no value provided
4100
        //
4101
        // Take the "read" path and allow the get method to determine
4102
        // which value to return, respectively either:
4103
        //
4104
        //   1. The entire cache object
4105
        //   2. The data stored at the key
4106
        //
4107
        if ( key === undefined ||
4108
                ( ( key && typeof key === "string" ) && value === undefined ) ) {
4109
4110
            return this.get( owner, key );
4111
        }
4112
4113
        // When the key is not a string, or both a key and value
4114
        // are specified, set or extend (existing objects) with either:
4115
        //
4116
        //   1. An object of properties
4117
        //   2. A key and value
4118
        //
4119
        this.set( owner, key, value );
4120
4121
        // Since the "set" path can have two possible entry points
4122
        // return the expected data based on which path was taken[*]
4123
        return value !== undefined ? value : key;
4124
    },
4125
    remove: function( owner, key ) {
4126
        var i,
4127
            cache = owner[ this.expando ];
4128
4129
        if ( cache === undefined ) {
4130
            return;
4131
        }
4132
4133
        if ( key !== undefined ) {
4134
4135
            // Support array or space separated string of keys
4136
            if ( Array.isArray( key ) ) {
4137
4138
                // If key is an array of keys...
4139
                // We always set camelCase keys, so remove that.
4140
                key = key.map( camelCase );
4141
            } else {
4142
                key = camelCase( key );
4143
4144
                // If a key with the spaces exists, use it.
4145
                // Otherwise, create an array by matching non-whitespace
4146
                key = key in cache ?
4147
                    [ key ] :
4148
                    ( key.match( rnothtmlwhite ) || [] );
4149
            }
4150
4151
            i = key.length;
4152
4153
            while ( i-- ) {
4154
                delete cache[ key[ i ] ];
4155
            }
4156
        }
4157
4158
        // Remove the expando if there's no more data
4159
        if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
4160
4161
            // Support: Chrome <=35 - 45
4162
            // Webkit & Blink performance suffers when deleting properties
4163
            // from DOM nodes, so set to undefined instead
4164
            // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted)
4165
            if ( owner.nodeType ) {
4166
                owner[ this.expando ] = undefined;
4167
            } else {
4168
                delete owner[ this.expando ];
4169
            }
4170
        }
4171
    },
4172
    hasData: function( owner ) {
4173
        var cache = owner[ this.expando ];
4174
        return cache !== undefined && !jQuery.isEmptyObject( cache );
4175
    }
4176
};
4177
var dataPriv = new Data();
4178
4179
var dataUser = new Data();
4180
4181
4182
4183
//  Implementation Summary
4184
//
4185
//  1. Enforce API surface and semantic compatibility with 1.9.x branch
4186
//  2. Improve the module's maintainability by reducing the storage
4187
//      paths to a single mechanism.
4188
//  3. Use the same single mechanism to support "private" and "user" data.
4189
//  4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
4190
//  5. Avoid exposing implementation details on user objects (eg. expando properties)
4191
//  6. Provide a clear path for implementation upgrade to WeakMap in 2014
4192
4193
var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
4194
    rmultiDash = /[A-Z]/g;
4195
4196
function getData( data ) {
4197
    if ( data === "true" ) {
4198
        return true;
4199
    }
4200
4201
    if ( data === "false" ) {
4202
        return false;
4203
    }
4204
4205
    if ( data === "null" ) {
4206
        return null;
4207
    }
4208
4209
    // Only convert to a number if it doesn't change the string
4210
    if ( data === +data + "" ) {
4211
        return +data;
4212
    }
4213
4214
    if ( rbrace.test( data ) ) {
4215
        return JSON.parse( data );
4216
    }
4217
4218
    return data;
4219
}
4220
4221
function dataAttr( elem, key, data ) {
4222
    var name;
4223
4224
    // If nothing was found internally, try to fetch any
4225
    // data from the HTML5 data-* attribute
4226
    if ( data === undefined && elem.nodeType === 1 ) {
4227
        name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase();
4228
        data = elem.getAttribute( name );
4229
4230
        if ( typeof data === "string" ) {
4231
            try {
4232
                data = getData( data );
4233
            } catch ( e ) {}
4234
4235
            // Make sure we set the data so it isn't changed later
4236
            dataUser.set( elem, key, data );
4237
        } else {
4238
            data = undefined;
4239
        }
4240
    }
4241
    return data;
4242
}
4243
4244
jQuery.extend( {
4245
    hasData: function( elem ) {
4246
        return dataUser.hasData( elem ) || dataPriv.hasData( elem );
4247
    },
4248
4249
    data: function( elem, name, data ) {
4250
        return dataUser.access( elem, name, data );
4251
    },
4252
4253
    removeData: function( elem, name ) {
4254
        dataUser.remove( elem, name );
4255
    },
4256
4257
    // TODO: Now that all calls to _data and _removeData have been replaced
4258
    // with direct calls to dataPriv methods, these can be deprecated.
4259
    _data: function( elem, name, data ) {
4260
        return dataPriv.access( elem, name, data );
4261
    },
4262
4263
    _removeData: function( elem, name ) {
4264
        dataPriv.remove( elem, name );
4265
    }
4266
} );
4267
4268
jQuery.fn.extend( {
4269
    data: function( key, value ) {
4270
        var i, name, data,
4271
            elem = this[ 0 ],
4272
            attrs = elem && elem.attributes;
4273
4274
        // Gets all values
4275
        if ( key === undefined ) {
4276
            if ( this.length ) {
4277
                data = dataUser.get( elem );
4278
4279
                if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
4280
                    i = attrs.length;
4281
                    while ( i-- ) {
4282
4283
                        // Support: IE 11 only
4284
                        // The attrs elements can be null (#14894)
4285
                        if ( attrs[ i ] ) {
4286
                            name = attrs[ i ].name;
4287
                            if ( name.indexOf( "data-" ) === 0 ) {
4288
                                name = camelCase( name.slice( 5 ) );
4289
                                dataAttr( elem, name, data[ name ] );
4290
                            }
4291
                        }
4292
                    }
4293
                    dataPriv.set( elem, "hasDataAttrs", true );
4294
                }
4295
            }
4296
4297
            return data;
4298
        }
4299
4300
        // Sets multiple values
4301
        if ( typeof key === "object" ) {
4302
            return this.each( function() {
4303
                dataUser.set( this, key );
4304
            } );
4305
        }
4306
4307
        return access( this, function( value ) {
4308
            var data;
4309
4310
            // The calling jQuery object (element matches) is not empty
4311
            // (and therefore has an element appears at this[ 0 ]) and the
4312
            // `value` parameter was not undefined. An empty jQuery object
4313
            // will result in `undefined` for elem = this[ 0 ] which will
4314
            // throw an exception if an attempt to read a data cache is made.
4315
            if ( elem && value === undefined ) {
4316
4317
                // Attempt to get data from the cache
4318
                // The key will always be camelCased in Data
4319
                data = dataUser.get( elem, key );
4320
                if ( data !== undefined ) {
4321
                    return data;
4322
                }
4323
4324
                // Attempt to "discover" the data in
4325
                // HTML5 custom data-* attrs
4326
                data = dataAttr( elem, key );
4327
                if ( data !== undefined ) {
4328
                    return data;
4329
                }
4330
4331
                // We tried really hard, but the data doesn't exist.
4332
                return;
4333
            }
4334
4335
            // Set the data...
4336
            this.each( function() {
4337
4338
                // We always store the camelCased key
4339
                dataUser.set( this, key, value );
4340
            } );
4341
        }, null, value, arguments.length > 1, null, true );
4342
    },
4343
4344
    removeData: function( key ) {
4345
        return this.each( function() {
4346
            dataUser.remove( this, key );
4347
        } );
4348
    }
4349
} );
4350
4351
4352
jQuery.extend( {
4353
    queue: function( elem, type, data ) {
4354
        var queue;
4355
4356
        if ( elem ) {
4357
            type = ( type || "fx" ) + "queue";
4358
            queue = dataPriv.get( elem, type );
4359
4360
            // Speed up dequeue by getting out quickly if this is just a lookup
4361
            if ( data ) {
4362
                if ( !queue || Array.isArray( data ) ) {
4363
                    queue = dataPriv.access( elem, type, jQuery.makeArray( data ) );
4364
                } else {
4365
                    queue.push( data );
4366
                }
4367
            }
4368
            return queue || [];
4369
        }
4370
    },
4371
4372
    dequeue: function( elem, type ) {
4373
        type = type || "fx";
4374
4375
        var queue = jQuery.queue( elem, type ),
4376
            startLength = queue.length,
4377
            fn = queue.shift(),
4378
            hooks = jQuery._queueHooks( elem, type ),
4379
            next = function() {
4380
                jQuery.dequeue( elem, type );
4381
            };
4382
4383
        // If the fx queue is dequeued, always remove the progress sentinel
4384
        if ( fn === "inprogress" ) {
4385
            fn = queue.shift();
4386
            startLength--;
4387
        }
4388
4389
        if ( fn ) {
4390
4391
            // Add a progress sentinel to prevent the fx queue from being
4392
            // automatically dequeued
4393
            if ( type === "fx" ) {
4394
                queue.unshift( "inprogress" );
4395
            }
4396
4397
            // Clear up the last queue stop function
4398
            delete hooks.stop;
4399
            fn.call( elem, next, hooks );
4400
        }
4401
4402
        if ( !startLength && hooks ) {
4403
            hooks.empty.fire();
4404
        }
4405
    },
4406
4407
    // Not public - generate a queueHooks object, or return the current one
4408
    _queueHooks: function( elem, type ) {
4409
        var key = type + "queueHooks";
4410
        return dataPriv.get( elem, key ) || dataPriv.access( elem, key, {
4411
            empty: jQuery.Callbacks( "once memory" ).add( function() {
4412
                dataPriv.remove( elem, [ type + "queue", key ] );
4413
            } )
4414
        } );
4415
    }
4416
} );
4417
4418
jQuery.fn.extend( {
4419
    queue: function( type, data ) {
4420
        var setter = 2;
4421
4422
        if ( typeof type !== "string" ) {
4423
            data = type;
4424
            type = "fx";
4425
            setter--;
4426
        }
4427
4428
        if ( arguments.length < setter ) {
4429
            return jQuery.queue( this[ 0 ], type );
4430
        }
4431
4432
        return data === undefined ?
4433
            this :
4434
            this.each( function() {
4435
                var queue = jQuery.queue( this, type, data );
4436
4437
                // Ensure a hooks for this queue
4438
                jQuery._queueHooks( this, type );
4439
4440
                if ( type === "fx" && queue[ 0 ] !== "inprogress" ) {
4441
                    jQuery.dequeue( this, type );
4442
                }
4443
            } );
4444
    },
4445
    dequeue: function( type ) {
4446
        return this.each( function() {
4447
            jQuery.dequeue( this, type );
4448
        } );
4449
    },
4450
    clearQueue: function( type ) {
4451
        return this.queue( type || "fx", [] );
4452
    },
4453
4454
    // Get a promise resolved when queues of a certain type
4455
    // are emptied (fx is the type by default)
4456
    promise: function( type, obj ) {
4457
        var tmp,
4458
            count = 1,
4459
            defer = jQuery.Deferred(),
4460
            elements = this,
4461
            i = this.length,
4462
            resolve = function() {
4463
                if ( !( --count ) ) {
4464
                    defer.resolveWith( elements, [ elements ] );
4465
                }
4466
            };
4467
4468
        if ( typeof type !== "string" ) {
4469
            obj = type;
4470
            type = undefined;
4471
        }
4472
        type = type || "fx";
4473
4474
        while ( i-- ) {
4475
            tmp = dataPriv.get( elements[ i ], type + "queueHooks" );
4476
            if ( tmp && tmp.empty ) {
4477
                count++;
4478
                tmp.empty.add( resolve );
4479
            }
4480
        }
4481
        resolve();
4482
        return defer.promise( obj );
4483
    }
4484
} );
4485
var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
4486
4487
var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
4488
4489
4490
var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
4491
4492
var documentElement = document.documentElement;
4493
4494
4495
4496
    var isAttached = function( elem ) {
4497
            return jQuery.contains( elem.ownerDocument, elem );
4498
        },
4499
        composed = { composed: true };
4500
4501
    // Support: IE 9 - 11+, Edge 12 - 18+, iOS 10.0 - 10.2 only
4502
    // Check attachment across shadow DOM boundaries when possible (gh-3504)
4503
    // Support: iOS 10.0-10.2 only
4504
    // Early iOS 10 versions support `attachShadow` but not `getRootNode`,
4505
    // leading to errors. We need to check for `getRootNode`.
4506
    if ( documentElement.getRootNode ) {
4507
        isAttached = function( elem ) {
4508
            return jQuery.contains( elem.ownerDocument, elem ) ||
4509
                elem.getRootNode( composed ) === elem.ownerDocument;
4510
        };
4511
    }
4512
var isHiddenWithinTree = function( elem, el ) {
4513
4514
        // isHiddenWithinTree might be called from jQuery#filter function;
4515
        // in that case, element will be second argument
4516
        elem = el || elem;
4517
4518
        // Inline style trumps all
4519
        return elem.style.display === "none" ||
4520
            elem.style.display === "" &&
4521
4522
            // Otherwise, check computed style
4523
            // Support: Firefox <=43 - 45
4524
            // Disconnected elements can have computed display: none, so first confirm that elem is
4525
            // in the document.
4526
            isAttached( elem ) &&
4527
4528
            jQuery.css( elem, "display" ) === "none";
4529
    };
4530
4531
var swap = function( elem, options, callback, args ) {
4532
    var ret, name,
4533
        old = {};
4534
4535
    // Remember the old values, and insert the new ones
4536
    for ( name in options ) {
4537
        old[ name ] = elem.style[ name ];
4538
        elem.style[ name ] = options[ name ];
4539
    }
4540
4541
    ret = callback.apply( elem, args || [] );
4542
4543
    // Revert the old values
4544
    for ( name in options ) {
4545
        elem.style[ name ] = old[ name ];
4546
    }
4547
4548
    return ret;
4549
};
4550
4551
4552
4553
4554
function adjustCSS( elem, prop, valueParts, tween ) {
4555
    var adjusted, scale,
4556
        maxIterations = 20,
4557
        currentValue = tween ?
4558
            function() {
4559
                return tween.cur();
4560
            } :
4561
            function() {
4562
                return jQuery.css( elem, prop, "" );
4563
            },
4564
        initial = currentValue(),
4565
        unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
4566
4567
        // Starting value computation is required for potential unit mismatches
4568
        initialInUnit = elem.nodeType &&
4569
            ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) &&
4570
            rcssNum.exec( jQuery.css( elem, prop ) );
4571
4572
    if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
4573
4574
        // Support: Firefox <=54
4575
        // Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144)
4576
        initial = initial / 2;
4577
4578
        // Trust units reported by jQuery.css
4579
        unit = unit || initialInUnit[ 3 ];
4580
4581
        // Iteratively approximate from a nonzero starting point
4582
        initialInUnit = +initial || 1;
4583
4584
        while ( maxIterations-- ) {
4585
4586
            // Evaluate and update our best guess (doubling guesses that zero out).
4587
            // Finish if the scale equals or crosses 1 (making the old*new product non-positive).
4588
            jQuery.style( elem, prop, initialInUnit + unit );
4589
            if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) {
4590
                maxIterations = 0;
4591
            }
4592
            initialInUnit = initialInUnit / scale;
4593
4594
        }
4595
4596
        initialInUnit = initialInUnit * 2;
4597
        jQuery.style( elem, prop, initialInUnit + unit );
4598
4599
        // Make sure we update the tween properties later on
4600
        valueParts = valueParts || [];
4601
    }
4602
4603
    if ( valueParts ) {
4604
        initialInUnit = +initialInUnit || +initial || 0;
4605
4606
        // Apply relative offset (+=/-=) if specified
4607
        adjusted = valueParts[ 1 ] ?
4608
            initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :
4609
            +valueParts[ 2 ];
4610
        if ( tween ) {
4611
            tween.unit = unit;
4612
            tween.start = initialInUnit;
4613
            tween.end = adjusted;
4614
        }
4615
    }
4616
    return adjusted;
4617
}
4618
4619
4620
var defaultDisplayMap = {};
4621
4622
function getDefaultDisplay( elem ) {
4623
    var temp,
4624
        doc = elem.ownerDocument,
4625
        nodeName = elem.nodeName,
4626
        display = defaultDisplayMap[ nodeName ];
4627
4628
    if ( display ) {
4629
        return display;
4630
    }
4631
4632
    temp = doc.body.appendChild( doc.createElement( nodeName ) );
4633
    display = jQuery.css( temp, "display" );
4634
4635
    temp.parentNode.removeChild( temp );
4636
4637
    if ( display === "none" ) {
4638
        display = "block";
4639
    }
4640
    defaultDisplayMap[ nodeName ] = display;
4641
4642
    return display;
4643
}
4644
4645
function showHide( elements, show ) {
4646
    var display, elem,
4647
        values = [],
4648
        index = 0,
4649
        length = elements.length;
4650
4651
    // Determine new display value for elements that need to change
4652
    for ( ; index < length; index++ ) {
4653
        elem = elements[ index ];
4654
        if ( !elem.style ) {
4655
            continue;
4656
        }
4657
4658
        display = elem.style.display;
4659
        if ( show ) {
4660
4661
            // Since we force visibility upon cascade-hidden elements, an immediate (and slow)
4662
            // check is required in this first loop unless we have a nonempty display value (either
4663
            // inline or about-to-be-restored)
4664
            if ( display === "none" ) {
4665
                values[ index ] = dataPriv.get( elem, "display" ) || null;
4666
                if ( !values[ index ] ) {
4667
                    elem.style.display = "";
4668
                }
4669
            }
4670
            if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) {
4671
                values[ index ] = getDefaultDisplay( elem );
4672
            }
4673
        } else {
4674
            if ( display !== "none" ) {
4675
                values[ index ] = "none";
4676
4677
                // Remember what we're overwriting
4678
                dataPriv.set( elem, "display", display );
4679
            }
4680
        }
4681
    }
4682
4683
    // Set the display of the elements in a second loop to avoid constant reflow
4684
    for ( index = 0; index < length; index++ ) {
4685
        if ( values[ index ] != null ) {
4686
            elements[ index ].style.display = values[ index ];
4687
        }
4688
    }
4689
4690
    return elements;
4691
}
4692
4693
jQuery.fn.extend( {
4694
    show: function() {
4695
        return showHide( this, true );
4696
    },
4697
    hide: function() {
4698
        return showHide( this );
4699
    },
4700
    toggle: function( state ) {
4701
        if ( typeof state === "boolean" ) {
4702
            return state ? this.show() : this.hide();
4703
        }
4704
4705
        return this.each( function() {
4706
            if ( isHiddenWithinTree( this ) ) {
4707
                jQuery( this ).show();
4708
            } else {
4709
                jQuery( this ).hide();
4710
            }
4711
        } );
4712
    }
4713
} );
4714
var rcheckableType = ( /^(?:checkbox|radio)$/i );
4715
4716
var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]*)/i );
4717
4718
var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i );
4719
4720
4721
4722
// We have to close these tags to support XHTML (#13200)
4723
var wrapMap = {
4724
4725
    // Support: IE <=9 only
4726
    option: [ 1, "<select multiple='multiple'>", "</select>" ],
4727
4728
    // XHTML parsers do not magically insert elements in the
4729
    // same way that tag soup parsers do. So we cannot shorten
4730
    // this by omitting <tbody> or other required elements.
4731
    thead: [ 1, "<table>", "</table>" ],
4732
    col: [ 2, "<table><colgroup>", "</colgroup></table>" ],
4733
    tr: [ 2, "<table><tbody>", "</tbody></table>" ],
4734
    td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
4735
4736
    _default: [ 0, "", "" ]
4737
};
4738
4739
// Support: IE <=9 only
4740
wrapMap.optgroup = wrapMap.option;
4741
4742
wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
4743
wrapMap.th = wrapMap.td;
4744
4745
4746
function getAll( context, tag ) {
4747
4748
    // Support: IE <=9 - 11 only
4749
    // Use typeof to avoid zero-argument method invocation on host objects (#15151)
4750
    var ret;
4751
4752
    if ( typeof context.getElementsByTagName !== "undefined" ) {
4753
        ret = context.getElementsByTagName( tag || "*" );
4754
4755
    } else if ( typeof context.querySelectorAll !== "undefined" ) {
4756
        ret = context.querySelectorAll( tag || "*" );
4757
4758
    } else {
4759
        ret = [];
4760
    }
4761
4762
    if ( tag === undefined || tag && nodeName( context, tag ) ) {
4763
        return jQuery.merge( [ context ], ret );
4764
    }
4765
4766
    return ret;
4767
}
4768
4769
4770
// Mark scripts as having already been evaluated
4771
function setGlobalEval( elems, refElements ) {
4772
    var i = 0,
4773
        l = elems.length;
4774
4775
    for ( ; i < l; i++ ) {
4776
        dataPriv.set(
4777
            elems[ i ],
4778
            "globalEval",
4779
            !refElements || dataPriv.get( refElements[ i ], "globalEval" )
4780
        );
4781
    }
4782
}
4783
4784
4785
var rhtml = /<|&#?\w+;/;
4786
4787
function buildFragment( elems, context, scripts, selection, ignored ) {
4788
    var elem, tmp, tag, wrap, attached, j,
4789
        fragment = context.createDocumentFragment(),
4790
        nodes = [],
4791
        i = 0,
4792
        l = elems.length;
4793
4794
    for ( ; i < l; i++ ) {
4795
        elem = elems[ i ];
4796
4797
        if ( elem || elem === 0 ) {
4798
4799
            // Add nodes directly
4800
            if ( toType( elem ) === "object" ) {
4801
4802
                // Support: Android <=4.0 only, PhantomJS 1 only
4803
                // push.apply(_, arraylike) throws on ancient WebKit
4804
                jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
4805
4806
            // Convert non-html into a text node
4807
            } else if ( !rhtml.test( elem ) ) {
4808
                nodes.push( context.createTextNode( elem ) );
4809
4810
            // Convert html into DOM nodes
4811
            } else {
4812
                tmp = tmp || fragment.appendChild( context.createElement( "div" ) );
4813
4814
                // Deserialize a standard representation
4815
                tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
4816
                wrap = wrapMap[ tag ] || wrapMap._default;
4817
                tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];
4818
4819
                // Descend through wrappers to the right content
4820
                j = wrap[ 0 ];
4821
                while ( j-- ) {
4822
                    tmp = tmp.lastChild;
4823
                }
4824
4825
                // Support: Android <=4.0 only, PhantomJS 1 only
4826
                // push.apply(_, arraylike) throws on ancient WebKit
4827
                jQuery.merge( nodes, tmp.childNodes );
4828
4829
                // Remember the top-level container
4830
                tmp = fragment.firstChild;
4831
4832
                // Ensure the created nodes are orphaned (#12392)
4833
                tmp.textContent = "";
4834
            }
4835
        }
4836
    }
4837
4838
    // Remove wrapper from fragment
4839
    fragment.textContent = "";
4840
4841
    i = 0;
4842
    while ( ( elem = nodes[ i++ ] ) ) {
4843
4844
        // Skip elements already in the context collection (trac-4087)
4845
        if ( selection && jQuery.inArray( elem, selection ) > -1 ) {
4846
            if ( ignored ) {
4847
                ignored.push( elem );
4848
            }
4849
            continue;
4850
        }
4851
4852
        attached = isAttached( elem );
4853
4854
        // Append to fragment
4855
        tmp = getAll( fragment.appendChild( elem ), "script" );
4856
4857
        // Preserve script evaluation history
4858
        if ( attached ) {
4859
            setGlobalEval( tmp );
4860
        }
4861
4862
        // Capture executables
4863
        if ( scripts ) {
4864
            j = 0;
4865
            while ( ( elem = tmp[ j++ ] ) ) {
4866
                if ( rscriptType.test( elem.type || "" ) ) {
4867
                    scripts.push( elem );
4868
                }
4869
            }
4870
        }
4871
    }
4872
4873
    return fragment;
4874
}
4875
4876
4877
( function() {
4878
    var fragment = document.createDocumentFragment(),
4879
        div = fragment.appendChild( document.createElement( "div" ) ),
4880
        input = document.createElement( "input" );
4881
4882
    // Support: Android 4.0 - 4.3 only
4883
    // Check state lost if the name is set (#11217)
4884
    // Support: Windows Web Apps (WWA)
4885
    // `name` and `type` must use .setAttribute for WWA (#14901)
4886
    input.setAttribute( "type", "radio" );
4887
    input.setAttribute( "checked", "checked" );
4888
    input.setAttribute( "name", "t" );
4889
4890
    div.appendChild( input );
4891
4892
    // Support: Android <=4.1 only
4893
    // Older WebKit doesn't clone checked state correctly in fragments
4894
    support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
4895
4896
    // Support: IE <=11 only
4897
    // Make sure textarea (and checkbox) defaultValue is properly cloned
4898
    div.innerHTML = "<textarea>x</textarea>";
4899
    support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
4900
} )();
4901
4902
4903
var
4904
    rkeyEvent = /^key/,
4905
    rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
4906
    rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
4907
4908
function returnTrue() {
4909
    return true;
4910
}
4911
4912
function returnFalse() {
4913
    return false;
4914
}
4915
4916
// Support: IE <=9 - 11+
4917
// focus() and blur() are asynchronous, except when they are no-op.
4918
// So expect focus to be synchronous when the element is already active,
4919
// and blur to be synchronous when the element is not already active.
4920
// (focus and blur are always synchronous in other supported browsers,
4921
// this just defines when we can count on it).
4922
function expectSync( elem, type ) {
4923
    return ( elem === safeActiveElement() ) === ( type === "focus" );
4924
}
4925
4926
// Support: IE <=9 only
4927
// Accessing document.activeElement can throw unexpectedly
4928
// https://bugs.jquery.com/ticket/13393
4929
function safeActiveElement() {
4930
    try {
4931
        return document.activeElement;
4932
    } catch ( err ) { }
4933
}
4934
4935
function on( elem, types, selector, data, fn, one ) {
4936
    var origFn, type;
4937
4938
    // Types can be a map of types/handlers
4939
    if ( typeof types === "object" ) {
4940
4941
        // ( types-Object, selector, data )
4942
        if ( typeof selector !== "string" ) {
4943
4944
            // ( types-Object, data )
4945
            data = data || selector;
4946
            selector = undefined;
4947
        }
4948
        for ( type in types ) {
4949
            on( elem, type, selector, data, types[ type ], one );
4950
        }
4951
        return elem;
4952
    }
4953
4954
    if ( data == null && fn == null ) {
4955
4956
        // ( types, fn )
4957
        fn = selector;
4958
        data = selector = undefined;
4959
    } else if ( fn == null ) {
4960
        if ( typeof selector === "string" ) {
4961
4962
            // ( types, selector, fn )
4963
            fn = data;
4964
            data = undefined;
4965
        } else {
4966
4967
            // ( types, data, fn )
4968
            fn = data;
4969
            data = selector;
4970
            selector = undefined;
4971
        }
4972
    }
4973
    if ( fn === false ) {
4974
        fn = returnFalse;
4975
    } else if ( !fn ) {
4976
        return elem;
4977
    }
4978
4979
    if ( one === 1 ) {
4980
        origFn = fn;
4981
        fn = function( event ) {
4982
4983
            // Can use an empty set, since event contains the info
4984
            jQuery().off( event );
4985
            return origFn.apply( this, arguments );
4986
        };
4987
4988
        // Use same guid so caller can remove using origFn
4989
        fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
4990
    }
4991
    return elem.each( function() {
4992
        jQuery.event.add( this, types, fn, data, selector );
4993
    } );
4994
}
4995
4996
/*
4997
 * Helper functions for managing events -- not part of the public interface.
4998
 * Props to Dean Edwards' addEvent library for many of the ideas.
4999
 */
5000
jQuery.event = {
5001
5002
    global: {},
5003
5004
    add: function( elem, types, handler, data, selector ) {
5005
5006
        var handleObjIn, eventHandle, tmp,
5007
            events, t, handleObj,
5008
            special, handlers, type, namespaces, origType,
5009
            elemData = dataPriv.get( elem );
5010
5011
        // Don't attach events to noData or text/comment nodes (but allow plain objects)
5012
        if ( !elemData ) {
5013
            return;
5014
        }
5015
5016
        // Caller can pass in an object of custom data in lieu of the handler
5017
        if ( handler.handler ) {
5018
            handleObjIn = handler;
5019
            handler = handleObjIn.handler;
5020
            selector = handleObjIn.selector;
5021
        }
5022
5023
        // Ensure that invalid selectors throw exceptions at attach time
5024
        // Evaluate against documentElement in case elem is a non-element node (e.g., document)
5025
        if ( selector ) {
5026
            jQuery.find.matchesSelector( documentElement, selector );
5027
        }
5028
5029
        // Make sure that the handler has a unique ID, used to find/remove it later
5030
        if ( !handler.guid ) {
5031
            handler.guid = jQuery.guid++;
5032
        }
5033
5034
        // Init the element's event structure and main handler, if this is the first
5035
        if ( !( events = elemData.events ) ) {
5036
            events = elemData.events = {};
5037
        }
5038
        if ( !( eventHandle = elemData.handle ) ) {
5039
            eventHandle = elemData.handle = function( e ) {
5040
5041
                // Discard the second event of a jQuery.event.trigger() and
5042
                // when an event is called after a page has unloaded
5043
                return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ?
5044
                    jQuery.event.dispatch.apply( elem, arguments ) : undefined;
5045
            };
5046
        }
5047
5048
        // Handle multiple events separated by a space
5049
        types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
5050
        t = types.length;
5051
        while ( t-- ) {
5052
            tmp = rtypenamespace.exec( types[ t ] ) || [];
5053
            type = origType = tmp[ 1 ];
5054
            namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5055
5056
            // There *must* be a type, no attaching namespace-only handlers
5057
            if ( !type ) {
5058
                continue;
5059
            }
5060
5061
            // If event changes its type, use the special event handlers for the changed type
5062
            special = jQuery.event.special[ type ] || {};
5063
5064
            // If selector defined, determine special event api type, otherwise given type
5065
            type = ( selector ? special.delegateType : special.bindType ) || type;
5066
5067
            // Update special based on newly reset type
5068
            special = jQuery.event.special[ type ] || {};
5069
5070
            // handleObj is passed to all event handlers
5071
            handleObj = jQuery.extend( {
5072
                type: type,
5073
                origType: origType,
5074
                data: data,
5075
                handler: handler,
5076
                guid: handler.guid,
5077
                selector: selector,
5078
                needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
5079
                namespace: namespaces.join( "." )
5080
            }, handleObjIn );
5081
5082
            // Init the event handler queue if we're the first
5083
            if ( !( handlers = events[ type ] ) ) {
5084
                handlers = events[ type ] = [];
5085
                handlers.delegateCount = 0;
5086
5087
                // Only use addEventListener if the special events handler returns false
5088
                if ( !special.setup ||
5089
                    special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
5090
5091
                    if ( elem.addEventListener ) {
5092
                        elem.addEventListener( type, eventHandle );
5093
                    }
5094
                }
5095
            }
5096
5097
            if ( special.add ) {
5098
                special.add.call( elem, handleObj );
5099
5100
                if ( !handleObj.handler.guid ) {
5101
                    handleObj.handler.guid = handler.guid;
5102
                }
5103
            }
5104
5105
            // Add to the element's handler list, delegates in front
5106
            if ( selector ) {
5107
                handlers.splice( handlers.delegateCount++, 0, handleObj );
5108
            } else {
5109
                handlers.push( handleObj );
5110
            }
5111
5112
            // Keep track of which events have ever been used, for event optimization
5113
            jQuery.event.global[ type ] = true;
5114
        }
5115
5116
    },
5117
5118
    // Detach an event or set of events from an element
5119
    remove: function( elem, types, handler, selector, mappedTypes ) {
5120
5121
        var j, origCount, tmp,
5122
            events, t, handleObj,
5123
            special, handlers, type, namespaces, origType,
5124
            elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );
5125
5126
        if ( !elemData || !( events = elemData.events ) ) {
5127
            return;
5128
        }
5129
5130
        // Once for each type.namespace in types; type may be omitted
5131
        types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
5132
        t = types.length;
5133
        while ( t-- ) {
5134
            tmp = rtypenamespace.exec( types[ t ] ) || [];
5135
            type = origType = tmp[ 1 ];
5136
            namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5137
5138
            // Unbind all events (on this namespace, if provided) for the element
5139
            if ( !type ) {
5140
                for ( type in events ) {
5141
                    jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
5142
                }
5143
                continue;
5144
            }
5145
5146
            special = jQuery.event.special[ type ] || {};
5147
            type = ( selector ? special.delegateType : special.bindType ) || type;
5148
            handlers = events[ type ] || [];
5149
            tmp = tmp[ 2 ] &&
5150
                new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );
5151
5152
            // Remove matching events
5153
            origCount = j = handlers.length;
5154
            while ( j-- ) {
5155
                handleObj = handlers[ j ];
5156
5157
                if ( ( mappedTypes || origType === handleObj.origType ) &&
5158
                    ( !handler || handler.guid === handleObj.guid ) &&
5159
                    ( !tmp || tmp.test( handleObj.namespace ) ) &&
5160
                    ( !selector || selector === handleObj.selector ||
5161
                        selector === "**" && handleObj.selector ) ) {
5162
                    handlers.splice( j, 1 );
5163
5164
                    if ( handleObj.selector ) {
5165
                        handlers.delegateCount--;
5166
                    }
5167
                    if ( special.remove ) {
5168
                        special.remove.call( elem, handleObj );
5169
                    }
5170
                }
5171
            }
5172
5173
            // Remove generic event handler if we removed something and no more handlers exist
5174
            // (avoids potential for endless recursion during removal of special event handlers)
5175
            if ( origCount && !handlers.length ) {
5176
                if ( !special.teardown ||
5177
                    special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
5178
5179
                    jQuery.removeEvent( elem, type, elemData.handle );
5180
                }
5181
5182
                delete events[ type ];
5183
            }
5184
        }
5185
5186
        // Remove data and the expando if it's no longer used
5187
        if ( jQuery.isEmptyObject( events ) ) {
5188
            dataPriv.remove( elem, "handle events" );
5189
        }
5190
    },
5191
5192
    dispatch: function( nativeEvent ) {
5193
5194
        // Make a writable jQuery.Event from the native event object
5195
        var event = jQuery.event.fix( nativeEvent );
5196
5197
        var i, j, ret, matched, handleObj, handlerQueue,
5198
            args = new Array( arguments.length ),
5199
            handlers = ( dataPriv.get( this, "events" ) || {} )[ event.type ] || [],
5200
            special = jQuery.event.special[ event.type ] || {};
5201
5202
        // Use the fix-ed jQuery.Event rather than the (read-only) native event
5203
        args[ 0 ] = event;
5204
5205
        for ( i = 1; i < arguments.length; i++ ) {
5206
            args[ i ] = arguments[ i ];
5207
        }
5208
5209
        event.delegateTarget = this;
5210
5211
        // Call the preDispatch hook for the mapped type, and let it bail if desired
5212
        if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
5213
            return;
5214
        }
5215
5216
        // Determine handlers
5217
        handlerQueue = jQuery.event.handlers.call( this, event, handlers );
5218
5219
        // Run delegates first; they may want to stop propagation beneath us
5220
        i = 0;
5221
        while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) {
5222
            event.currentTarget = matched.elem;
5223
5224
            j = 0;
5225
            while ( ( handleObj = matched.handlers[ j++ ] ) &&
5226
                !event.isImmediatePropagationStopped() ) {
5227
5228
                // If the event is namespaced, then each handler is only invoked if it is
5229
                // specially universal or its namespaces are a superset of the event's.
5230
                if ( !event.rnamespace || handleObj.namespace === false ||
5231
                    event.rnamespace.test( handleObj.namespace ) ) {
5232
5233
                    event.handleObj = handleObj;
5234
                    event.data = handleObj.data;
5235
5236
                    ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle ||
5237
                        handleObj.handler ).apply( matched.elem, args );
5238
5239
                    if ( ret !== undefined ) {
5240
                        if ( ( event.result = ret ) === false ) {
5241
                            event.preventDefault();
5242
                            event.stopPropagation();
5243
                        }
5244
                    }
5245
                }
5246
            }
5247
        }
5248
5249
        // Call the postDispatch hook for the mapped type
5250
        if ( special.postDispatch ) {
5251
            special.postDispatch.call( this, event );
5252
        }
5253
5254
        return event.result;
5255
    },
5256
5257
    handlers: function( event, handlers ) {
5258
        var i, handleObj, sel, matchedHandlers, matchedSelectors,
5259
            handlerQueue = [],
5260
            delegateCount = handlers.delegateCount,
5261
            cur = event.target;
5262
5263
        // Find delegate handlers
5264
        if ( delegateCount &&
5265
5266
            // Support: IE <=9
5267
            // Black-hole SVG <use> instance trees (trac-13180)
5268
            cur.nodeType &&
5269
5270
            // Support: Firefox <=42
5271
            // Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861)
5272
            // https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click
5273
            // Support: IE 11 only
5274
            // ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343)
5275
            !( event.type === "click" && event.button >= 1 ) ) {
5276
5277
            for ( ; cur !== this; cur = cur.parentNode || this ) {
5278
5279
                // Don't check non-elements (#13208)
5280
                // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
5281
                if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) {
5282
                    matchedHandlers = [];
5283
                    matchedSelectors = {};
5284
                    for ( i = 0; i < delegateCount; i++ ) {
5285
                        handleObj = handlers[ i ];
5286
5287
                        // Don't conflict with Object.prototype properties (#13203)
5288
                        sel = handleObj.selector + " ";
5289
5290
                        if ( matchedSelectors[ sel ] === undefined ) {
5291
                            matchedSelectors[ sel ] = handleObj.needsContext ?
5292
                                jQuery( sel, this ).index( cur ) > -1 :
5293
                                jQuery.find( sel, this, null, [ cur ] ).length;
5294
                        }
5295
                        if ( matchedSelectors[ sel ] ) {
5296
                            matchedHandlers.push( handleObj );
5297
                        }
5298
                    }
5299
                    if ( matchedHandlers.length ) {
5300
                        handlerQueue.push( { elem: cur, handlers: matchedHandlers } );
5301
                    }
5302
                }
5303
            }
5304
        }
5305
5306
        // Add the remaining (directly-bound) handlers
5307
        cur = this;
5308
        if ( delegateCount < handlers.length ) {
5309
            handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } );
5310
        }
5311
5312
        return handlerQueue;
5313
    },
5314
5315
    addProp: function( name, hook ) {
5316
        Object.defineProperty( jQuery.Event.prototype, name, {
5317
            enumerable: true,
5318
            configurable: true,
5319
5320
            get: isFunction( hook ) ?
5321
                function() {
5322
                    if ( this.originalEvent ) {
5323
                            return hook( this.originalEvent );
5324
                    }
5325
                } :
5326
                function() {
5327
                    if ( this.originalEvent ) {
5328
                            return this.originalEvent[ name ];
5329
                    }
5330
                },
5331
5332
            set: function( value ) {
5333
                Object.defineProperty( this, name, {
5334
                    enumerable: true,
5335
                    configurable: true,
5336
                    writable: true,
5337
                    value: value
5338
                } );
5339
            }
5340
        } );
5341
    },
5342
5343
    fix: function( originalEvent ) {
5344
        return originalEvent[ jQuery.expando ] ?
5345
            originalEvent :
5346
            new jQuery.Event( originalEvent );
5347
    },
5348
5349
    special: {
5350
        load: {
5351
5352
            // Prevent triggered image.load events from bubbling to window.load
5353
            noBubble: true
5354
        },
5355
        click: {
5356
5357
            // Utilize native event to ensure correct state for checkable inputs
5358
            setup: function( data ) {
5359
5360
                // For mutual compressibility with _default, replace `this` access with a local var.
5361
                // `|| data` is dead code meant only to preserve the variable through minification.
5362
                var el = this || data;
5363
5364
                // Claim the first handler
5365
                if ( rcheckableType.test( el.type ) &&
5366
                    el.click && nodeName( el, "input" ) ) {
5367
5368
                    // dataPriv.set( el, "click", ... )
5369
                    leverageNative( el, "click", returnTrue );
5370
                }
5371
5372
                // Return false to allow normal processing in the caller
5373
                return false;
5374
            },
5375
            trigger: function( data ) {
5376
5377
                // For mutual compressibility with _default, replace `this` access with a local var.
5378
                // `|| data` is dead code meant only to preserve the variable through minification.
5379
                var el = this || data;
5380
5381
                // Force setup before triggering a click
5382
                if ( rcheckableType.test( el.type ) &&
5383
                    el.click && nodeName( el, "input" ) ) {
5384
5385
                    leverageNative( el, "click" );
5386
                }
5387
5388
                // Return non-false to allow normal event-path propagation
5389
                return true;
5390
            },
5391
5392
            // For cross-browser consistency, suppress native .click() on links
5393
            // Also prevent it if we're currently inside a leveraged native-event stack
5394
            _default: function( event ) {
5395
                var target = event.target;
5396
                return rcheckableType.test( target.type ) &&
5397
                    target.click && nodeName( target, "input" ) &&
5398
                    dataPriv.get( target, "click" ) ||
5399
                    nodeName( target, "a" );
5400
            }
5401
        },
5402
5403
        beforeunload: {
5404
            postDispatch: function( event ) {
5405
5406
                // Support: Firefox 20+
5407
                // Firefox doesn't alert if the returnValue field is not set.
5408
                if ( event.result !== undefined && event.originalEvent ) {
5409
                    event.originalEvent.returnValue = event.result;
5410
                }
5411
            }
5412
        }
5413
    }
5414
};
5415
5416
// Ensure the presence of an event listener that handles manually-triggered
5417
// synthetic events by interrupting progress until reinvoked in response to
5418
// *native* events that it fires directly, ensuring that state changes have
5419
// already occurred before other listeners are invoked.
5420
function leverageNative( el, type, expectSync ) {
5421
5422
    // Missing expectSync indicates a trigger call, which must force setup through jQuery.event.add
5423
    if ( !expectSync ) {
5424
        if ( dataPriv.get( el, type ) === undefined ) {
5425
            jQuery.event.add( el, type, returnTrue );
5426
        }
5427
        return;
5428
    }
5429
5430
    // Register the controller as a special universal handler for all event namespaces
5431
    dataPriv.set( el, type, false );
5432
    jQuery.event.add( el, type, {
5433
        namespace: false,
5434
        handler: function( event ) {
5435
            var notAsync, result,
5436
                saved = dataPriv.get( this, type );
5437
5438
            if ( ( event.isTrigger & 1 ) && this[ type ] ) {
5439
5440
                // Interrupt processing of the outer synthetic .trigger()ed event
5441
                // Saved data should be false in such cases, but might be a leftover capture object
5442
                // from an async native handler (gh-4350)
5443
                if ( !saved.length ) {
5444
5445
                    // Store arguments for use when handling the inner native event
5446
                    // There will always be at least one argument (an event object), so this array
5447
                    // will not be confused with a leftover capture object.
5448
                    saved = slice.call( arguments );
5449
                    dataPriv.set( this, type, saved );
5450
5451
                    // Trigger the native event and capture its result
5452
                    // Support: IE <=9 - 11+
5453
                    // focus() and blur() are asynchronous
5454
                    notAsync = expectSync( this, type );
5455
                    this[ type ]();
5456
                    result = dataPriv.get( this, type );
5457
                    if ( saved !== result || notAsync ) {
5458
                        dataPriv.set( this, type, false );
5459
                    } else {
5460
                        result = {};
5461
                    }
5462
                    if ( saved !== result ) {
5463
5464
                        // Cancel the outer synthetic event
5465
                        event.stopImmediatePropagation();
5466
                        event.preventDefault();
5467
                        return result.value;
5468
                    }
5469
5470
                // If this is an inner synthetic event for an event with a bubbling surrogate
5471
                // (focus or blur), assume that the surrogate already propagated from triggering the
5472
                // native event and prevent that from happening again here.
5473
                // This technically gets the ordering wrong w.r.t. to `.trigger()` (in which the
5474
                // bubbling surrogate propagates *after* the non-bubbling base), but that seems
5475
                // less bad than duplication.
5476
                } else if ( ( jQuery.event.special[ type ] || {} ).delegateType ) {
5477
                    event.stopPropagation();
5478
                }
5479
5480
            // If this is a native event triggered above, everything is now in order
5481
            // Fire an inner synthetic event with the original arguments
5482
            } else if ( saved.length ) {
5483
5484
                // ...and capture the result
5485
                dataPriv.set( this, type, {
5486
                    value: jQuery.event.trigger(
5487
5488
                        // Support: IE <=9 - 11+
5489
                        // Extend with the prototype to reset the above stopImmediatePropagation()
5490
                        jQuery.extend( saved[ 0 ], jQuery.Event.prototype ),
5491
                        saved.slice( 1 ),
5492
                        this
5493
                    )
5494
                } );
5495
5496
                // Abort handling of the native event
5497
                event.stopImmediatePropagation();
5498
            }
5499
        }
5500
    } );
5501
}
5502
5503
jQuery.removeEvent = function( elem, type, handle ) {
5504
5505
    // This "if" is needed for plain objects
5506
    if ( elem.removeEventListener ) {
5507
        elem.removeEventListener( type, handle );
5508
    }
5509
};
5510
5511
jQuery.Event = function( src, props ) {
5512
5513
    // Allow instantiation without the 'new' keyword
5514
    if ( !( this instanceof jQuery.Event ) ) {
5515
        return new jQuery.Event( src, props );
5516
    }
5517
5518
    // Event object
5519
    if ( src && src.type ) {
5520
        this.originalEvent = src;
5521
        this.type = src.type;
5522
5523
        // Events bubbling up the document may have been marked as prevented
5524
        // by a handler lower down the tree; reflect the correct value.
5525
        this.isDefaultPrevented = src.defaultPrevented ||
5526
                src.defaultPrevented === undefined &&
5527
5528
                // Support: Android <=2.3 only
5529
                src.returnValue === false ?
5530
            returnTrue :
5531
            returnFalse;
5532
5533
        // Create target properties
5534
        // Support: Safari <=6 - 7 only
5535
        // Target should not be a text node (#504, #13143)
5536
        this.target = ( src.target && src.target.nodeType === 3 ) ?
5537
            src.target.parentNode :
5538
            src.target;
5539
5540
        this.currentTarget = src.currentTarget;
5541
        this.relatedTarget = src.relatedTarget;
5542
5543
    // Event type
5544
    } else {
5545
        this.type = src;
5546
    }
5547
5548
    // Put explicitly provided properties onto the event object
5549
    if ( props ) {
5550
        jQuery.extend( this, props );
5551
    }
5552
5553
    // Create a timestamp if incoming event doesn't have one
5554
    this.timeStamp = src && src.timeStamp || Date.now();
5555
5556
    // Mark it as fixed
5557
    this[ jQuery.expando ] = true;
5558
};
5559
5560
// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
5561
// https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
5562
jQuery.Event.prototype = {
5563
    constructor: jQuery.Event,
5564
    isDefaultPrevented: returnFalse,
5565
    isPropagationStopped: returnFalse,
5566
    isImmediatePropagationStopped: returnFalse,
5567
    isSimulated: false,
5568
5569
    preventDefault: function() {
5570
        var e = this.originalEvent;
5571
5572
        this.isDefaultPrevented = returnTrue;
5573
5574
        if ( e && !this.isSimulated ) {
5575
            e.preventDefault();
5576
        }
5577
    },
5578
    stopPropagation: function() {
5579
        var e = this.originalEvent;
5580
5581
        this.isPropagationStopped = returnTrue;
5582
5583
        if ( e && !this.isSimulated ) {
5584
            e.stopPropagation();
5585
        }
5586
    },
5587
    stopImmediatePropagation: function() {
5588
        var e = this.originalEvent;
5589
5590
        this.isImmediatePropagationStopped = returnTrue;
5591
5592
        if ( e && !this.isSimulated ) {
5593
            e.stopImmediatePropagation();
5594
        }
5595
5596
        this.stopPropagation();
5597
    }
5598
};
5599
5600
// Includes all common event props including KeyEvent and MouseEvent specific props
5601
jQuery.each( {
5602
    altKey: true,
5603
    bubbles: true,
5604
    cancelable: true,
5605
    changedTouches: true,
5606
    ctrlKey: true,
5607
    detail: true,
5608
    eventPhase: true,
5609
    metaKey: true,
5610
    pageX: true,
5611
    pageY: true,
5612
    shiftKey: true,
5613
    view: true,
5614
    "char": true,
5615
    code: true,
5616
    charCode: true,
5617
    key: true,
5618
    keyCode: true,
5619
    button: true,
5620
    buttons: true,
5621
    clientX: true,
5622
    clientY: true,
5623
    offsetX: true,
5624
    offsetY: true,
5625
    pointerId: true,
5626
    pointerType: true,
5627
    screenX: true,
5628
    screenY: true,
5629
    targetTouches: true,
5630
    toElement: true,
5631
    touches: true,
5632
5633
    which: function( event ) {
5634
        var button = event.button;
5635
5636
        // Add which for key events
5637
        if ( event.which == null && rkeyEvent.test( event.type ) ) {
5638
            return event.charCode != null ? event.charCode : event.keyCode;
5639
        }
5640
5641
        // Add which for click: 1 === left; 2 === middle; 3 === right
5642
        if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) {
5643
            if ( button & 1 ) {
5644
                return 1;
5645
            }
5646
5647
            if ( button & 2 ) {
5648
                return 3;
5649
            }
5650
5651
            if ( button & 4 ) {
5652
                return 2;
5653
            }
5654
5655
            return 0;
5656
        }
5657
5658
        return event.which;
5659
    }
5660
}, jQuery.event.addProp );
5661
5662
jQuery.each( { focus: "focusin", blur: "focusout" }, function( type, delegateType ) {
5663
    jQuery.event.special[ type ] = {
5664
5665
        // Utilize native event if possible so blur/focus sequence is correct
5666
        setup: function() {
5667
5668
            // Claim the first handler
5669
            // dataPriv.set( this, "focus", ... )
5670
            // dataPriv.set( this, "blur", ... )
5671
            leverageNative( this, type, expectSync );
5672
5673
            // Return false to allow normal processing in the caller
5674
            return false;
5675
        },
5676
        trigger: function() {
5677
5678
            // Force setup before trigger
5679
            leverageNative( this, type );
5680
5681
            // Return non-false to allow normal event-path propagation
5682
            return true;
5683
        },
5684
5685
        delegateType: delegateType
5686
    };
5687
} );
5688
5689
// Create mouseenter/leave events using mouseover/out and event-time checks
5690
// so that event delegation works in jQuery.
5691
// Do the same for pointerenter/pointerleave and pointerover/pointerout
5692
//
5693
// Support: Safari 7 only
5694
// Safari sends mouseenter too often; see:
5695
// https://bugs.chromium.org/p/chromium/issues/detail?id=470258
5696
// for the description of the bug (it existed in older Chrome versions as well).
5697
jQuery.each( {
5698
    mouseenter: "mouseover",
5699
    mouseleave: "mouseout",
5700
    pointerenter: "pointerover",
5701
    pointerleave: "pointerout"
5702
}, function( orig, fix ) {
5703
    jQuery.event.special[ orig ] = {
5704
        delegateType: fix,
5705
        bindType: fix,
5706
5707
        handle: function( event ) {
5708
            var ret,
5709
                target = this,
5710
                related = event.relatedTarget,
5711
                handleObj = event.handleObj;
5712
5713
            // For mouseenter/leave call the handler if related is outside the target.
5714
            // NB: No relatedTarget if the mouse left/entered the browser window
5715
            if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) {
5716
                event.type = handleObj.origType;
5717
                ret = handleObj.handler.apply( this, arguments );
5718
                event.type = fix;
5719
            }
5720
            return ret;
5721
        }
5722
    };
5723
} );
5724
5725
jQuery.fn.extend( {
5726
5727
    on: function( types, selector, data, fn ) {
5728
        return on( this, types, selector, data, fn );
5729
    },
5730
    one: function( types, selector, data, fn ) {
5731
        return on( this, types, selector, data, fn, 1 );
5732
    },
5733
    off: function( types, selector, fn ) {
5734
        var handleObj, type;
5735
        if ( types && types.preventDefault && types.handleObj ) {
5736
5737
            // ( event )  dispatched jQuery.Event
5738
            handleObj = types.handleObj;
5739
            jQuery( types.delegateTarget ).off(
5740
                handleObj.namespace ?
5741
                    handleObj.origType + "." + handleObj.namespace :
5742
                    handleObj.origType,
5743
                handleObj.selector,
5744
                handleObj.handler
5745
            );
5746
            return this;
5747
        }
5748
        if ( typeof types === "object" ) {
5749
5750
            // ( types-object [, selector] )
5751
            for ( type in types ) {
5752
                this.off( type, selector, types[ type ] );
5753
            }
5754
            return this;
5755
        }
5756
        if ( selector === false || typeof selector === "function" ) {
5757
5758
            // ( types [, fn] )
5759
            fn = selector;
5760
            selector = undefined;
5761
        }
5762
        if ( fn === false ) {
5763
            fn = returnFalse;
5764
        }
5765
        return this.each( function() {
5766
            jQuery.event.remove( this, types, fn, selector );
5767
        } );
5768
    }
5769
} );
5770
5771
5772
var
5773
5774
    /* eslint-disable max-len */
5775
5776
    // See https://github.com/eslint/eslint/issues/3229
5777
    rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([a-z][^\/\0>\x20\t\r\n\f]*)[^>]*)\/>/gi,
5778
5779
    /* eslint-enable */
5780
5781
    // Support: IE <=10 - 11, Edge 12 - 13 only
5782
    // In IE/Edge using regex groups here causes severe slowdowns.
5783
    // See https://connect.microsoft.com/IE/feedback/details/1736512/
5784
    rnoInnerhtml = /<script|<style|<link/i,
5785
5786
    // checked="checked" or checked
5787
    rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
5788
    rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;
5789
5790
// Prefer a tbody over its parent table for containing new rows
5791
function manipulationTarget( elem, content ) {
5792
    if ( nodeName( elem, "table" ) &&
5793
        nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) {
5794
5795
        return jQuery( elem ).children( "tbody" )[ 0 ] || elem;
5796
    }
5797
5798
    return elem;
5799
}
5800
5801
// Replace/restore the type attribute of script elements for safe DOM manipulation
5802
function disableScript( elem ) {
5803
    elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type;
5804
    return elem;
5805
}
5806
function restoreScript( elem ) {
5807
    if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) {
5808
        elem.type = elem.type.slice( 5 );
5809
    } else {
5810
        elem.removeAttribute( "type" );
5811
    }
5812
5813
    return elem;
5814
}
5815
5816
function cloneCopyEvent( src, dest ) {
5817
    var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;
5818
5819
    if ( dest.nodeType !== 1 ) {
5820
        return;
5821
    }
5822
5823
    // 1. Copy private data: events, handlers, etc.
5824
    if ( dataPriv.hasData( src ) ) {
5825
        pdataOld = dataPriv.access( src );
5826
        pdataCur = dataPriv.set( dest, pdataOld );
5827
        events = pdataOld.events;
5828
5829
        if ( events ) {
5830
            delete pdataCur.handle;
5831
            pdataCur.events = {};
5832
5833
            for ( type in events ) {
5834
                for ( i = 0, l = events[ type ].length; i < l; i++ ) {
5835
                    jQuery.event.add( dest, type, events[ type ][ i ] );
5836
                }
5837
            }
5838
        }
5839
    }
5840
5841
    // 2. Copy user data
5842
    if ( dataUser.hasData( src ) ) {
5843
        udataOld = dataUser.access( src );
5844
        udataCur = jQuery.extend( {}, udataOld );
5845
5846
        dataUser.set( dest, udataCur );
5847
    }
5848
}
5849
5850
// Fix IE bugs, see support tests
5851
function fixInput( src, dest ) {
5852
    var nodeName = dest.nodeName.toLowerCase();
5853
5854
    // Fails to persist the checked state of a cloned checkbox or radio button.
5855
    if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
5856
        dest.checked = src.checked;
5857
5858
    // Fails to return the selected option to the default selected state when cloning options
5859
    } else if ( nodeName === "input" || nodeName === "textarea" ) {
5860
        dest.defaultValue = src.defaultValue;
5861
    }
5862
}
5863
5864
function domManip( collection, args, callback, ignored ) {
5865
5866
    // Flatten any nested arrays
5867
    args = concat.apply( [], args );
5868
5869
    var fragment, first, scripts, hasScripts, node, doc,
5870
        i = 0,
5871
        l = collection.length,
5872
        iNoClone = l - 1,
5873
        value = args[ 0 ],
5874
        valueIsFunction = isFunction( value );
5875
5876
    // We can't cloneNode fragments that contain checked, in WebKit
5877
    if ( valueIsFunction ||
5878
            ( l > 1 && typeof value === "string" &&
5879
                !support.checkClone && rchecked.test( value ) ) ) {
5880
        return collection.each( function( index ) {
5881
            var self = collection.eq( index );
5882
            if ( valueIsFunction ) {
5883
                args[ 0 ] = value.call( this, index, self.html() );
5884
            }
5885
            domManip( self, args, callback, ignored );
5886
        } );
5887
    }
5888
5889
    if ( l ) {
5890
        fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored );
5891
        first = fragment.firstChild;
5892
5893
        if ( fragment.childNodes.length === 1 ) {
5894
            fragment = first;
5895
        }
5896
5897
        // Require either new content or an interest in ignored elements to invoke the callback
5898
        if ( first || ignored ) {
5899
            scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
5900
            hasScripts = scripts.length;
5901
5902
            // Use the original fragment for the last item
5903
            // instead of the first because it can end up
5904
            // being emptied incorrectly in certain situations (#8070).
5905
            for ( ; i < l; i++ ) {
5906
                node = fragment;
5907
5908
                if ( i !== iNoClone ) {
5909
                    node = jQuery.clone( node, true, true );
5910
5911
                    // Keep references to cloned scripts for later restoration
5912
                    if ( hasScripts ) {
5913
5914
                        // Support: Android <=4.0 only, PhantomJS 1 only
5915
                        // push.apply(_, arraylike) throws on ancient WebKit
5916
                        jQuery.merge( scripts, getAll( node, "script" ) );
5917
                    }
5918
                }
5919
5920
                callback.call( collection[ i ], node, i );
5921
            }
5922
5923
            if ( hasScripts ) {
5924
                doc = scripts[ scripts.length - 1 ].ownerDocument;
5925
5926
                // Reenable scripts
5927
                jQuery.map( scripts, restoreScript );
5928
5929
                // Evaluate executable scripts on first document insertion
5930
                for ( i = 0; i < hasScripts; i++ ) {
5931
                    node = scripts[ i ];
5932
                    if ( rscriptType.test( node.type || "" ) &&
5933
                        !dataPriv.access( node, "globalEval" ) &&
5934
                        jQuery.contains( doc, node ) ) {
5935
5936
                        if ( node.src && ( node.type || "" ).toLowerCase()  !== "module" ) {
5937
5938
                            // Optional AJAX dependency, but won't run scripts if not present
5939
                            if ( jQuery._evalUrl && !node.noModule ) {
5940
                                jQuery._evalUrl( node.src, {
5941
                                    nonce: node.nonce || node.getAttribute( "nonce" )
5942
                                } );
5943
                            }
5944
                        } else {
5945
                            DOMEval( node.textContent.replace( rcleanScript, "" ), node, doc );
5946
                        }
5947
                    }
5948
                }
5949
            }
5950
        }
5951
    }
5952
5953
    return collection;
5954
}
5955
5956
function remove( elem, selector, keepData ) {
5957
    var node,
5958
        nodes = selector ? jQuery.filter( selector, elem ) : elem,
5959
        i = 0;
5960
5961
    for ( ; ( node = nodes[ i ] ) != null; i++ ) {
5962
        if ( !keepData && node.nodeType === 1 ) {
5963
            jQuery.cleanData( getAll( node ) );
5964
        }
5965
5966
        if ( node.parentNode ) {
5967
            if ( keepData && isAttached( node ) ) {
5968
                setGlobalEval( getAll( node, "script" ) );
5969
            }
5970
            node.parentNode.removeChild( node );
5971
        }
5972
    }
5973
5974
    return elem;
5975
}
5976
5977
jQuery.extend( {
5978
    htmlPrefilter: function( html ) {
5979
        return html.replace( rxhtmlTag, "<$1></$2>" );
5980
    },
5981
5982
    clone: function( elem, dataAndEvents, deepDataAndEvents ) {
5983
        var i, l, srcElements, destElements,
5984
            clone = elem.cloneNode( true ),
5985
            inPage = isAttached( elem );
5986
5987
        // Fix IE cloning issues
5988
        if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&
5989
                !jQuery.isXMLDoc( elem ) ) {
5990
5991
            // We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
5992
            destElements = getAll( clone );
5993
            srcElements = getAll( elem );
5994
5995
            for ( i = 0, l = srcElements.length; i < l; i++ ) {
5996
                fixInput( srcElements[ i ], destElements[ i ] );
5997
            }
5998
        }
5999
6000
        // Copy the events from the original to the clone
6001
        if ( dataAndEvents ) {
6002
            if ( deepDataAndEvents ) {
6003
                srcElements = srcElements || getAll( elem );
6004
                destElements = destElements || getAll( clone );
6005
6006
                for ( i = 0, l = srcElements.length; i < l; i++ ) {
6007
                    cloneCopyEvent( srcElements[ i ], destElements[ i ] );
6008
                }
6009
            } else {
6010
                cloneCopyEvent( elem, clone );
6011
            }
6012
        }
6013
6014
        // Preserve script evaluation history
6015
        destElements = getAll( clone, "script" );
6016
        if ( destElements.length > 0 ) {
6017
            setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
6018
        }
6019
6020
        // Return the cloned set
6021
        return clone;
6022
    },
6023
6024
    cleanData: function( elems ) {
6025
        var data, elem, type,
6026
            special = jQuery.event.special,
6027
            i = 0;
6028
6029
        for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) {
6030
            if ( acceptData( elem ) ) {
6031
                if ( ( data = elem[ dataPriv.expando ] ) ) {
6032
                    if ( data.events ) {
6033
                        for ( type in data.events ) {
6034
                            if ( special[ type ] ) {
6035
                                jQuery.event.remove( elem, type );
6036
6037
                            // This is a shortcut to avoid jQuery.event.remove's overhead
6038
                            } else {
6039
                                jQuery.removeEvent( elem, type, data.handle );
6040
                            }
6041
                        }
6042
                    }
6043
6044
                    // Support: Chrome <=35 - 45+
6045
                    // Assign undefined instead of using delete, see Data#remove
6046
                    elem[ dataPriv.expando ] = undefined;
6047
                }
6048
                if ( elem[ dataUser.expando ] ) {
6049
6050
                    // Support: Chrome <=35 - 45+
6051
                    // Assign undefined instead of using delete, see Data#remove
6052
                    elem[ dataUser.expando ] = undefined;
6053
                }
6054
            }
6055
        }
6056
    }
6057
} );
6058
6059
jQuery.fn.extend( {
6060
    detach: function( selector ) {
6061
        return remove( this, selector, true );
6062
    },
6063
6064
    remove: function( selector ) {
6065
        return remove( this, selector );
6066
    },
6067
6068
    text: function( value ) {
6069
        return access( this, function( value ) {
6070
            return value === undefined ?
6071
                jQuery.text( this ) :
6072
                this.empty().each( function() {
6073
                    if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6074
                        this.textContent = value;
6075
                    }
6076
                } );
6077
        }, null, value, arguments.length );
6078
    },
6079
6080
    append: function() {
6081
        return domManip( this, arguments, function( elem ) {
6082
            if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6083
                var target = manipulationTarget( this, elem );
6084
                target.appendChild( elem );
6085
            }
6086
        } );
6087
    },
6088
6089
    prepend: function() {
6090
        return domManip( this, arguments, function( elem ) {
6091
            if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6092
                var target = manipulationTarget( this, elem );
6093
                target.insertBefore( elem, target.firstChild );
6094
            }
6095
        } );
6096
    },
6097
6098
    before: function() {
6099
        return domManip( this, arguments, function( elem ) {
6100
            if ( this.parentNode ) {
6101
                this.parentNode.insertBefore( elem, this );
6102
            }
6103
        } );
6104
    },
6105
6106
    after: function() {
6107
        return domManip( this, arguments, function( elem ) {
6108
            if ( this.parentNode ) {
6109
                this.parentNode.insertBefore( elem, this.nextSibling );
6110
            }
6111
        } );
6112
    },
6113
6114
    empty: function() {
6115
        var elem,
6116
            i = 0;
6117
6118
        for ( ; ( elem = this[ i ] ) != null; i++ ) {
6119
            if ( elem.nodeType === 1 ) {
6120
6121
                // Prevent memory leaks
6122
                jQuery.cleanData( getAll( elem, false ) );
6123
6124
                // Remove any remaining nodes
6125
                elem.textContent = "";
6126
            }
6127
        }
6128
6129
        return this;
6130
    },
6131
6132
    clone: function( dataAndEvents, deepDataAndEvents ) {
6133
        dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
6134
        deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
6135
6136
        return this.map( function() {
6137
            return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
6138
        } );
6139
    },
6140
6141
    html: function( value ) {
6142
        return access( this, function( value ) {
6143
            var elem = this[ 0 ] || {},
6144
                i = 0,
6145
                l = this.length;
6146
6147
            if ( value === undefined && elem.nodeType === 1 ) {
6148
                return elem.innerHTML;
6149
            }
6150
6151
            // See if we can take a shortcut and just use innerHTML
6152
            if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
6153
                !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
6154
6155
                value = jQuery.htmlPrefilter( value );
6156
6157
                try {
6158
                    for ( ; i < l; i++ ) {
6159
                        elem = this[ i ] || {};
6160
6161
                        // Remove element nodes and prevent memory leaks
6162
                        if ( elem.nodeType === 1 ) {
6163
                            jQuery.cleanData( getAll( elem, false ) );
6164
                            elem.innerHTML = value;
6165
                        }
6166
                    }
6167
6168
                    elem = 0;
6169
6170
                // If using innerHTML throws an exception, use the fallback method
6171
                } catch ( e ) {}
6172
            }
6173
6174
            if ( elem ) {
6175
                this.empty().append( value );
6176
            }
6177
        }, null, value, arguments.length );
6178
    },
6179
6180
    replaceWith: function() {
6181
        var ignored = [];
6182
6183
        // Make the changes, replacing each non-ignored context element with the new content
6184
        return domManip( this, arguments, function( elem ) {
6185
            var parent = this.parentNode;
6186
6187
            if ( jQuery.inArray( this, ignored ) < 0 ) {
6188
                jQuery.cleanData( getAll( this ) );
6189
                if ( parent ) {
6190
                    parent.replaceChild( elem, this );
6191
                }
6192
            }
6193
6194
        // Force callback invocation
6195
        }, ignored );
6196
    }
6197
} );
6198
6199
jQuery.each( {
6200
    appendTo: "append",
6201
    prependTo: "prepend",
6202
    insertBefore: "before",
6203
    insertAfter: "after",
6204
    replaceAll: "replaceWith"
6205
}, function( name, original ) {
6206
    jQuery.fn[ name ] = function( selector ) {
6207
        var elems,
6208
            ret = [],
6209
            insert = jQuery( selector ),
6210
            last = insert.length - 1,
6211
            i = 0;
6212
6213
        for ( ; i <= last; i++ ) {
6214
            elems = i === last ? this : this.clone( true );
6215
            jQuery( insert[ i ] )[ original ]( elems );
6216
6217
            // Support: Android <=4.0 only, PhantomJS 1 only
6218
            // .get() because push.apply(_, arraylike) throws on ancient WebKit
6219
            push.apply( ret, elems.get() );
6220
        }
6221
6222
        return this.pushStack( ret );
6223
    };
6224
} );
6225
var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
6226
6227
var getStyles = function( elem ) {
6228
6229
        // Support: IE <=11 only, Firefox <=30 (#15098, #14150)
6230
        // IE throws on elements created in popups
6231
        // FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
6232
        var view = elem.ownerDocument.defaultView;
6233
6234
        if ( !view || !view.opener ) {
6235
            view = window;
6236
        }
6237
6238
        return view.getComputedStyle( elem );
6239
    };
6240
6241
var rboxStyle = new RegExp( cssExpand.join( "|" ), "i" );
6242
6243
6244
6245
( function() {
6246
6247
    // Executing both pixelPosition & boxSizingReliable tests require only one layout
6248
    // so they're executed at the same time to save the second computation.
6249
    function computeStyleTests() {
6250
6251
        // This is a singleton, we need to execute it only once
6252
        if ( !div ) {
6253
            return;
6254
        }
6255
6256
        container.style.cssText = "position:absolute;left:-11111px;width:60px;" +
6257
            "margin-top:1px;padding:0;border:0";
6258
        div.style.cssText =
6259
            "position:relative;display:block;box-sizing:border-box;overflow:scroll;" +
6260
            "margin:auto;border:1px;padding:1px;" +
6261
            "width:60%;top:1%";
6262
        documentElement.appendChild( container ).appendChild( div );
6263
6264
        var divStyle = window.getComputedStyle( div );
6265
        pixelPositionVal = divStyle.top !== "1%";
6266
6267
        // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44
6268
        reliableMarginLeftVal = roundPixelMeasures( divStyle.marginLeft ) === 12;
6269
6270
        // Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3
6271
        // Some styles come back with percentage values, even though they shouldn't
6272
        div.style.right = "60%";
6273
        pixelBoxStylesVal = roundPixelMeasures( divStyle.right ) === 36;
6274
6275
        // Support: IE 9 - 11 only
6276
        // Detect misreporting of content dimensions for box-sizing:border-box elements
6277
        boxSizingReliableVal = roundPixelMeasures( divStyle.width ) === 36;
6278
6279
        // Support: IE 9 only
6280
        // Detect overflow:scroll screwiness (gh-3699)
6281
        // Support: Chrome <=64
6282
        // Don't get tricked when zoom affects offsetWidth (gh-4029)
6283
        div.style.position = "absolute";
6284
        scrollboxSizeVal = roundPixelMeasures( div.offsetWidth / 3 ) === 12;
6285
6286
        documentElement.removeChild( container );
6287
6288
        // Nullify the div so it wouldn't be stored in the memory and
6289
        // it will also be a sign that checks already performed
6290
        div = null;
6291
    }
6292
6293
    function roundPixelMeasures( measure ) {
6294
        return Math.round( parseFloat( measure ) );
6295
    }
6296
6297
    var pixelPositionVal, boxSizingReliableVal, scrollboxSizeVal, pixelBoxStylesVal,
6298
        reliableMarginLeftVal,
6299
        container = document.createElement( "div" ),
6300
        div = document.createElement( "div" );
6301
6302
    // Finish early in limited (non-browser) environments
6303
    if ( !div.style ) {
6304
        return;
6305
    }
6306
6307
    // Support: IE <=9 - 11 only
6308
    // Style of cloned element affects source element cloned (#8908)
6309
    div.style.backgroundClip = "content-box";
6310
    div.cloneNode( true ).style.backgroundClip = "";
6311
    support.clearCloneStyle = div.style.backgroundClip === "content-box";
6312
6313
    jQuery.extend( support, {
6314
        boxSizingReliable: function() {
6315
            computeStyleTests();
6316
            return boxSizingReliableVal;
6317
        },
6318
        pixelBoxStyles: function() {
6319
            computeStyleTests();
6320
            return pixelBoxStylesVal;
6321
        },
6322
        pixelPosition: function() {
6323
            computeStyleTests();
6324
            return pixelPositionVal;
6325
        },
6326
        reliableMarginLeft: function() {
6327
            computeStyleTests();
6328
            return reliableMarginLeftVal;
6329
        },
6330
        scrollboxSize: function() {
6331
            computeStyleTests();
6332
            return scrollboxSizeVal;
6333
        }
6334
    } );
6335
} )();
6336
6337
6338
function curCSS( elem, name, computed ) {
6339
    var width, minWidth, maxWidth, ret,
6340
6341
        // Support: Firefox 51+
6342
        // Retrieving style before computed somehow
6343
        // fixes an issue with getting wrong values
6344
        // on detached elements
6345
        style = elem.style;
6346
6347
    computed = computed || getStyles( elem );
6348
6349
    // getPropertyValue is needed for:
6350
    //   .css('filter') (IE 9 only, #12537)
6351
    //   .css('--customProperty) (#3144)
6352
    if ( computed ) {
6353
        ret = computed.getPropertyValue( name ) || computed[ name ];
6354
6355
        if ( ret === "" && !isAttached( elem ) ) {
6356
            ret = jQuery.style( elem, name );
6357
        }
6358
6359
        // A tribute to the "awesome hack by Dean Edwards"
6360
        // Android Browser returns percentage for some values,
6361
        // but width seems to be reliably pixels.
6362
        // This is against the CSSOM draft spec:
6363
        // https://drafts.csswg.org/cssom/#resolved-values
6364
        if ( !support.pixelBoxStyles() && rnumnonpx.test( ret ) && rboxStyle.test( name ) ) {
6365
6366
            // Remember the original values
6367
            width = style.width;
6368
            minWidth = style.minWidth;
6369
            maxWidth = style.maxWidth;
6370
6371
            // Put in the new values to get a computed value out
6372
            style.minWidth = style.maxWidth = style.width = ret;
6373
            ret = computed.width;
6374
6375
            // Revert the changed values
6376
            style.width = width;
6377
            style.minWidth = minWidth;
6378
            style.maxWidth = maxWidth;
6379
        }
6380
    }
6381
6382
    return ret !== undefined ?
6383
6384
        // Support: IE <=9 - 11 only
6385
        // IE returns zIndex value as an integer.
6386
        ret + "" :
6387
        ret;
6388
}
6389
6390
6391
function addGetHookIf( conditionFn, hookFn ) {
6392
6393
    // Define the hook, we'll check on the first run if it's really needed.
6394
    return {
6395
        get: function() {
6396
            if ( conditionFn() ) {
6397
6398
                // Hook not needed (or it's not possible to use it due
6399
                // to missing dependency), remove it.
6400
                delete this.get;
6401
                return;
6402
            }
6403
6404
            // Hook needed; redefine it so that the support test is not executed again.
6405
            return ( this.get = hookFn ).apply( this, arguments );
6406
        }
6407
    };
6408
}
6409
6410
6411
var cssPrefixes = [ "Webkit", "Moz", "ms" ],
6412
    emptyStyle = document.createElement( "div" ).style,
6413
    vendorProps = {};
6414
6415
// Return a vendor-prefixed property or undefined
6416
function vendorPropName( name ) {
6417
6418
    // Check for vendor prefixed names
6419
    var capName = name[ 0 ].toUpperCase() + name.slice( 1 ),
6420
        i = cssPrefixes.length;
6421
6422
    while ( i-- ) {
6423
        name = cssPrefixes[ i ] + capName;
6424
        if ( name in emptyStyle ) {
6425
            return name;
6426
        }
6427
    }
6428
}
6429
6430
// Return a potentially-mapped jQuery.cssProps or vendor prefixed property
6431
function finalPropName( name ) {
6432
    var final = jQuery.cssProps[ name ] || vendorProps[ name ];
6433
6434
    if ( final ) {
6435
        return final;
6436
    }
6437
    if ( name in emptyStyle ) {
6438
        return name;
6439
    }
6440
    return vendorProps[ name ] = vendorPropName( name ) || name;
6441
}
6442
6443
6444
var
6445
6446
    // Swappable if display is none or starts with table
6447
    // except "table", "table-cell", or "table-caption"
6448
    // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
6449
    rdisplayswap = /^(none|table(?!-c[ea]).+)/,
6450
    rcustomProp = /^--/,
6451
    cssShow = { position: "absolute", visibility: "hidden", display: "block" },
6452
    cssNormalTransform = {
6453
        letterSpacing: "0",
6454
        fontWeight: "400"
6455
    };
6456
6457
function setPositiveNumber( elem, value, subtract ) {
6458
6459
    // Any relative (+/-) values have already been
6460
    // normalized at this point
6461
    var matches = rcssNum.exec( value );
6462
    return matches ?
6463
6464
        // Guard against undefined "subtract", e.g., when used as in cssHooks
6465
        Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) :
6466
        value;
6467
}
6468
6469
function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) {
6470
    var i = dimension === "width" ? 1 : 0,
6471
        extra = 0,
6472
        delta = 0;
6473
6474
    // Adjustment may not be necessary
6475
    if ( box === ( isBorderBox ? "border" : "content" ) ) {
6476
        return 0;
6477
    }
6478
6479
    for ( ; i < 4; i += 2 ) {
6480
6481
        // Both box models exclude margin
6482
        if ( box === "margin" ) {
6483
            delta += jQuery.css( elem, box + cssExpand[ i ], true, styles );
6484
        }
6485
6486
        // If we get here with a content-box, we're seeking "padding" or "border" or "margin"
6487
        if ( !isBorderBox ) {
6488
6489
            // Add padding
6490
            delta += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6491
6492
            // For "border" or "margin", add border
6493
            if ( box !== "padding" ) {
6494
                delta += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6495
6496
            // But still keep track of it otherwise
6497
            } else {
6498
                extra += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6499
            }
6500
6501
        // If we get here with a border-box (content + padding + border), we're seeking "content" or
6502
        // "padding" or "margin"
6503
        } else {
6504
6505
            // For "content", subtract padding
6506
            if ( box === "content" ) {
6507
                delta -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6508
            }
6509
6510
            // For "content" or "padding", subtract border
6511
            if ( box !== "margin" ) {
6512
                delta -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6513
            }
6514
        }
6515
    }
6516
6517
    // Account for positive content-box scroll gutter when requested by providing computedVal
6518
    if ( !isBorderBox && computedVal >= 0 ) {
6519
6520
        // offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border
6521
        // Assuming integer scroll gutter, subtract the rest and round down
6522
        delta += Math.max( 0, Math.ceil(
6523
            elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
6524
            computedVal -
6525
            delta -
6526
            extra -
6527
            0.5
6528
6529
        // If offsetWidth/offsetHeight is unknown, then we can't determine content-box scroll gutter
6530
        // Use an explicit zero to avoid NaN (gh-3964)
6531
        ) ) || 0;
6532
    }
6533
6534
    return delta;
6535
}
6536
6537
function getWidthOrHeight( elem, dimension, extra ) {
6538
6539
    // Start with computed style
6540
    var styles = getStyles( elem ),
6541
6542
        // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-4322).
6543
        // Fake content-box until we know it's needed to know the true value.
6544
        boxSizingNeeded = !support.boxSizingReliable() || extra,
6545
        isBorderBox = boxSizingNeeded &&
6546
            jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
6547
        valueIsBorderBox = isBorderBox,
6548
6549
        val = curCSS( elem, dimension, styles ),
6550
        offsetProp = "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 );
6551
6552
    // Support: Firefox <=54
6553
    // Return a confounding non-pixel value or feign ignorance, as appropriate.
6554
    if ( rnumnonpx.test( val ) ) {
6555
        if ( !extra ) {
6556
            return val;
6557
        }
6558
        val = "auto";
6559
    }
6560
6561
6562
    // Fall back to offsetWidth/offsetHeight when value is "auto"
6563
    // This happens for inline elements with no explicit setting (gh-3571)
6564
    // Support: Android <=4.1 - 4.3 only
6565
    // Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602)
6566
    // Support: IE 9-11 only
6567
    // Also use offsetWidth/offsetHeight for when box sizing is unreliable
6568
    // We use getClientRects() to check for hidden/disconnected.
6569
    // In those cases, the computed value can be trusted to be border-box
6570
    if ( ( !support.boxSizingReliable() && isBorderBox ||
6571
        val === "auto" ||
6572
        !parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) &&
6573
        elem.getClientRects().length ) {
6574
6575
        isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
6576
6577
        // Where available, offsetWidth/offsetHeight approximate border box dimensions.
6578
        // Where not available (e.g., SVG), assume unreliable box-sizing and interpret the
6579
        // retrieved value as a content box dimension.
6580
        valueIsBorderBox = offsetProp in elem;
6581
        if ( valueIsBorderBox ) {
6582
            val = elem[ offsetProp ];
6583
        }
6584
    }
6585
6586
    // Normalize "" and auto
6587
    val = parseFloat( val ) || 0;
6588
6589
    // Adjust for the element's box model
6590
    return ( val +
6591
        boxModelAdjustment(
6592
            elem,
6593
            dimension,
6594
            extra || ( isBorderBox ? "border" : "content" ),
6595
            valueIsBorderBox,
6596
            styles,
6597
6598
            // Provide the current computed size to request scroll gutter calculation (gh-3589)
6599
            val
6600
        )
6601
    ) + "px";
6602
}
6603
6604
jQuery.extend( {
6605
6606
    // Add in style property hooks for overriding the default
6607
    // behavior of getting and setting a style property
6608
    cssHooks: {
6609
        opacity: {
6610
            get: function( elem, computed ) {
6611
                if ( computed ) {
6612
6613
                    // We should always get a number back from opacity
6614
                    var ret = curCSS( elem, "opacity" );
6615
                    return ret === "" ? "1" : ret;
6616
                }
6617
            }
6618
        }
6619
    },
6620
6621
    // Don't automatically add "px" to these possibly-unitless properties
6622
    cssNumber: {
6623
        "animationIterationCount": true,
6624
        "columnCount": true,
6625
        "fillOpacity": true,
6626
        "flexGrow": true,
6627
        "flexShrink": true,
6628
        "fontWeight": true,
6629
        "gridArea": true,
6630
        "gridColumn": true,
6631
        "gridColumnEnd": true,
6632
        "gridColumnStart": true,
6633
        "gridRow": true,
6634
        "gridRowEnd": true,
6635
        "gridRowStart": true,
6636
        "lineHeight": true,
6637
        "opacity": true,
6638
        "order": true,
6639
        "orphans": true,
6640
        "widows": true,
6641
        "zIndex": true,
6642
        "zoom": true
6643
    },
6644
6645
    // Add in properties whose names you wish to fix before
6646
    // setting or getting the value
6647
    cssProps: {},
6648
6649
    // Get and set the style property on a DOM Node
6650
    style: function( elem, name, value, extra ) {
6651
6652
        // Don't set styles on text and comment nodes
6653
        if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
6654
            return;
6655
        }
6656
6657
        // Make sure that we're working with the right name
6658
        var ret, type, hooks,
6659
            origName = camelCase( name ),
6660
            isCustomProp = rcustomProp.test( name ),
6661
            style = elem.style;
6662
6663
        // Make sure that we're working with the right name. We don't
6664
        // want to query the value if it is a CSS custom property
6665
        // since they are user-defined.
6666
        if ( !isCustomProp ) {
6667
            name = finalPropName( origName );
6668
        }
6669
6670
        // Gets hook for the prefixed version, then unprefixed version
6671
        hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6672
6673
        // Check if we're setting a value
6674
        if ( value !== undefined ) {
6675
            type = typeof value;
6676
6677
            // Convert "+=" or "-=" to relative numbers (#7345)
6678
            if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {
6679
                value = adjustCSS( elem, name, ret );
6680
6681
                // Fixes bug #9237
6682
                type = "number";
6683
            }
6684
6685
            // Make sure that null and NaN values aren't set (#7116)
6686
            if ( value == null || value !== value ) {
6687
                return;
6688
            }
6689
6690
            // If a number was passed in, add the unit (except for certain CSS properties)
6691
            // The isCustomProp check can be removed in jQuery 4.0 when we only auto-append
6692
            // "px" to a few hardcoded values.
6693
            if ( type === "number" && !isCustomProp ) {
6694
                value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" );
6695
            }
6696
6697
            // background-* props affect original clone's values
6698
            if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) {
6699
                style[ name ] = "inherit";
6700
            }
6701
6702
            // If a hook was provided, use that value, otherwise just set the specified value
6703
            if ( !hooks || !( "set" in hooks ) ||
6704
                ( value = hooks.set( elem, value, extra ) ) !== undefined ) {
6705
6706
                if ( isCustomProp ) {
6707
                    style.setProperty( name, value );
6708
                } else {
6709
                    style[ name ] = value;
6710
                }
6711
            }
6712
6713
        } else {
6714
6715
            // If a hook was provided get the non-computed value from there
6716
            if ( hooks && "get" in hooks &&
6717
                ( ret = hooks.get( elem, false, extra ) ) !== undefined ) {
6718
6719
                return ret;
6720
            }
6721
6722
            // Otherwise just get the value from the style object
6723
            return style[ name ];
6724
        }
6725
    },
6726
6727
    css: function( elem, name, extra, styles ) {
6728
        var val, num, hooks,
6729
            origName = camelCase( name ),
6730
            isCustomProp = rcustomProp.test( name );
6731
6732
        // Make sure that we're working with the right name. We don't
6733
        // want to modify the value if it is a CSS custom property
6734
        // since they are user-defined.
6735
        if ( !isCustomProp ) {
6736
            name = finalPropName( origName );
6737
        }
6738
6739
        // Try prefixed name followed by the unprefixed name
6740
        hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6741
6742
        // If a hook was provided get the computed value from there
6743
        if ( hooks && "get" in hooks ) {
6744
            val = hooks.get( elem, true, extra );
6745
        }
6746
6747
        // Otherwise, if a way to get the computed value exists, use that
6748
        if ( val === undefined ) {
6749
            val = curCSS( elem, name, styles );
6750
        }
6751
6752
        // Convert "normal" to computed value
6753
        if ( val === "normal" && name in cssNormalTransform ) {
6754
            val = cssNormalTransform[ name ];
6755
        }
6756
6757
        // Make numeric if forced or a qualifier was provided and val looks numeric
6758
        if ( extra === "" || extra ) {
6759
            num = parseFloat( val );
6760
            return extra === true || isFinite( num ) ? num || 0 : val;
6761
        }
6762
6763
        return val;
6764
    }
6765
} );
6766
6767
jQuery.each( [ "height", "width" ], function( i, dimension ) {
6768
    jQuery.cssHooks[ dimension ] = {
6769
        get: function( elem, computed, extra ) {
6770
            if ( computed ) {
6771
6772
                // Certain elements can have dimension info if we invisibly show them
6773
                // but it must have a current display style that would benefit
6774
                return rdisplayswap.test( jQuery.css( elem, "display" ) ) &&
6775
6776
                    // Support: Safari 8+
6777
                    // Table columns in Safari have non-zero offsetWidth & zero
6778
                    // getBoundingClientRect().width unless display is changed.
6779
                    // Support: IE <=11 only
6780
                    // Running getBoundingClientRect on a disconnected node
6781
                    // in IE throws an error.
6782
                    ( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ?
6783
                        swap( elem, cssShow, function() {
6784
                            return getWidthOrHeight( elem, dimension, extra );
6785
                        } ) :
6786
                        getWidthOrHeight( elem, dimension, extra );
6787
            }
6788
        },
6789
6790
        set: function( elem, value, extra ) {
6791
            var matches,
6792
                styles = getStyles( elem ),
6793
6794
                // Only read styles.position if the test has a chance to fail
6795
                // to avoid forcing a reflow.
6796
                scrollboxSizeBuggy = !support.scrollboxSize() &&
6797
                    styles.position === "absolute",
6798
6799
                // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-3991)
6800
                boxSizingNeeded = scrollboxSizeBuggy || extra,
6801
                isBorderBox = boxSizingNeeded &&
6802
                    jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
6803
                subtract = extra ?
6804
                    boxModelAdjustment(
6805
                        elem,
6806
                        dimension,
6807
                        extra,
6808
                        isBorderBox,
6809
                        styles
6810
                    ) :
6811
                    0;
6812
6813
            // Account for unreliable border-box dimensions by comparing offset* to computed and
6814
            // faking a content-box to get border and padding (gh-3699)
6815
            if ( isBorderBox && scrollboxSizeBuggy ) {
6816
                subtract -= Math.ceil(
6817
                    elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
6818
                    parseFloat( styles[ dimension ] ) -
6819
                    boxModelAdjustment( elem, dimension, "border", false, styles ) -
6820
                    0.5
6821
                );
6822
            }
6823
6824
            // Convert to pixels if value adjustment is needed
6825
            if ( subtract && ( matches = rcssNum.exec( value ) ) &&
6826
                ( matches[ 3 ] || "px" ) !== "px" ) {
6827
6828
                elem.style[ dimension ] = value;
6829
                value = jQuery.css( elem, dimension );
6830
            }
6831
6832
            return setPositiveNumber( elem, value, subtract );
6833
        }
6834
    };
6835
} );
6836
6837
jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,
6838
    function( elem, computed ) {
6839
        if ( computed ) {
6840
            return ( parseFloat( curCSS( elem, "marginLeft" ) ) ||
6841
                elem.getBoundingClientRect().left -
6842
                    swap( elem, { marginLeft: 0 }, function() {
6843
                        return elem.getBoundingClientRect().left;
6844
                    } )
6845
                ) + "px";
6846
        }
6847
    }
6848
);
6849
6850
// These hooks are used by animate to expand properties
6851
jQuery.each( {
6852
    margin: "",
6853
    padding: "",
6854
    border: "Width"
6855
}, function( prefix, suffix ) {
6856
    jQuery.cssHooks[ prefix + suffix ] = {
6857
        expand: function( value ) {
6858
            var i = 0,
6859
                expanded = {},
6860
6861
                // Assumes a single number if not a string
6862
                parts = typeof value === "string" ? value.split( " " ) : [ value ];
6863
6864
            for ( ; i < 4; i++ ) {
6865
                expanded[ prefix + cssExpand[ i ] + suffix ] =
6866
                    parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
6867
            }
6868
6869
            return expanded;
6870
        }
6871
    };
6872
6873
    if ( prefix !== "margin" ) {
6874
        jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
6875
    }
6876
} );
6877
6878
jQuery.fn.extend( {
6879
    css: function( name, value ) {
6880
        return access( this, function( elem, name, value ) {
6881
            var styles, len,
6882
                map = {},
6883
                i = 0;
6884
6885
            if ( Array.isArray( name ) ) {
6886
                styles = getStyles( elem );
6887
                len = name.length;
6888
6889
                for ( ; i < len; i++ ) {
6890
                    map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
6891
                }
6892
6893
                return map;
6894
            }
6895
6896
            return value !== undefined ?
6897
                jQuery.style( elem, name, value ) :
6898
                jQuery.css( elem, name );
6899
        }, name, value, arguments.length > 1 );
6900
    }
6901
} );
6902
6903
6904
function Tween( elem, options, prop, end, easing ) {
6905
    return new Tween.prototype.init( elem, options, prop, end, easing );
6906
}
6907
jQuery.Tween = Tween;
6908
6909
Tween.prototype = {
6910
    constructor: Tween,
6911
    init: function( elem, options, prop, end, easing, unit ) {
6912
        this.elem = elem;
6913
        this.prop = prop;
6914
        this.easing = easing || jQuery.easing._default;
6915
        this.options = options;
6916
        this.start = this.now = this.cur();
6917
        this.end = end;
6918
        this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
6919
    },
6920
    cur: function() {
6921
        var hooks = Tween.propHooks[ this.prop ];
6922
6923
        return hooks && hooks.get ?
6924
            hooks.get( this ) :
6925
            Tween.propHooks._default.get( this );
6926
    },
6927
    run: function( percent ) {
6928
        var eased,
6929
            hooks = Tween.propHooks[ this.prop ];
6930
6931
        if ( this.options.duration ) {
6932
            this.pos = eased = jQuery.easing[ this.easing ](
6933
                percent, this.options.duration * percent, 0, 1, this.options.duration
6934
            );
6935
        } else {
6936
            this.pos = eased = percent;
6937
        }
6938
        this.now = ( this.end - this.start ) * eased + this.start;
6939
6940
        if ( this.options.step ) {
6941
            this.options.step.call( this.elem, this.now, this );
6942
        }
6943
6944
        if ( hooks && hooks.set ) {
6945
            hooks.set( this );
6946
        } else {
6947
            Tween.propHooks._default.set( this );
6948
        }
6949
        return this;
6950
    }
6951
};
6952
6953
Tween.prototype.init.prototype = Tween.prototype;
6954
6955
Tween.propHooks = {
6956
    _default: {
6957
        get: function( tween ) {
6958
            var result;
6959
6960
            // Use a property on the element directly when it is not a DOM element,
6961
            // or when there is no matching style property that exists.
6962
            if ( tween.elem.nodeType !== 1 ||
6963
                tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) {
6964
                return tween.elem[ tween.prop ];
6965
            }
6966
6967
            // Passing an empty string as a 3rd parameter to .css will automatically
6968
            // attempt a parseFloat and fallback to a string if the parse fails.
6969
            // Simple values such as "10px" are parsed to Float;
6970
            // complex values such as "rotate(1rad)" are returned as-is.
6971
            result = jQuery.css( tween.elem, tween.prop, "" );
6972
6973
            // Empty strings, null, undefined and "auto" are converted to 0.
6974
            return !result || result === "auto" ? 0 : result;
6975
        },
6976
        set: function( tween ) {
6977
6978
            // Use step hook for back compat.
6979
            // Use cssHook if its there.
6980
            // Use .style if available and use plain properties where available.
6981
            if ( jQuery.fx.step[ tween.prop ] ) {
6982
                jQuery.fx.step[ tween.prop ]( tween );
6983
            } else if ( tween.elem.nodeType === 1 && (
6984
                    jQuery.cssHooks[ tween.prop ] ||
6985
                    tween.elem.style[ finalPropName( tween.prop ) ] != null ) ) {
6986
                jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
6987
            } else {
6988
                tween.elem[ tween.prop ] = tween.now;
6989
            }
6990
        }
6991
    }
6992
};
6993
6994
// Support: IE <=9 only
6995
// Panic based approach to setting things on disconnected nodes
6996
Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
6997
    set: function( tween ) {
6998
        if ( tween.elem.nodeType && tween.elem.parentNode ) {
6999
            tween.elem[ tween.prop ] = tween.now;
7000
        }
7001
    }
7002
};
7003
7004
jQuery.easing = {
7005
    linear: function( p ) {
7006
        return p;
7007
    },
7008
    swing: function( p ) {
7009
        return 0.5 - Math.cos( p * Math.PI ) / 2;
7010
    },
7011
    _default: "swing"
7012
};
7013
7014
jQuery.fx = Tween.prototype.init;
7015
7016
// Back compat <1.8 extension point
7017
jQuery.fx.step = {};
7018
7019
7020
7021
7022
var
7023
    fxNow, inProgress,
7024
    rfxtypes = /^(?:toggle|show|hide)$/,
7025
    rrun = /queueHooks$/;
7026
7027
function schedule() {
7028
    if ( inProgress ) {
7029
        if ( document.hidden === false && window.requestAnimationFrame ) {
7030
            window.requestAnimationFrame( schedule );
7031
        } else {
7032
            window.setTimeout( schedule, jQuery.fx.interval );
7033
        }
7034
7035
        jQuery.fx.tick();
7036
    }
7037
}
7038
7039
// Animations created synchronously will run synchronously
7040
function createFxNow() {
7041
    window.setTimeout( function() {
7042
        fxNow = undefined;
7043
    } );
7044
    return ( fxNow = Date.now() );
7045
}
7046
7047
// Generate parameters to create a standard animation
7048
function genFx( type, includeWidth ) {
7049
    var which,
7050
        i = 0,
7051
        attrs = { height: type };
7052
7053
    // If we include width, step value is 1 to do all cssExpand values,
7054
    // otherwise step value is 2 to skip over Left and Right
7055
    includeWidth = includeWidth ? 1 : 0;
7056
    for ( ; i < 4; i += 2 - includeWidth ) {
7057
        which = cssExpand[ i ];
7058
        attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
7059
    }
7060
7061
    if ( includeWidth ) {
7062
        attrs.opacity = attrs.width = type;
7063
    }
7064
7065
    return attrs;
7066
}
7067
7068
function createTween( value, prop, animation ) {
7069
    var tween,
7070
        collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ),
7071
        index = 0,
7072
        length = collection.length;
7073
    for ( ; index < length; index++ ) {
7074
        if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) {
7075
7076
            // We're done with this property
7077
            return tween;
7078
        }
7079
    }
7080
}
7081
7082
function defaultPrefilter( elem, props, opts ) {
7083
    var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display,
7084
        isBox = "width" in props || "height" in props,
7085
        anim = this,
7086
        orig = {},
7087
        style = elem.style,
7088
        hidden = elem.nodeType && isHiddenWithinTree( elem ),
7089
        dataShow = dataPriv.get( elem, "fxshow" );
7090
7091
    // Queue-skipping animations hijack the fx hooks
7092
    if ( !opts.queue ) {
7093
        hooks = jQuery._queueHooks( elem, "fx" );
7094
        if ( hooks.unqueued == null ) {
7095
            hooks.unqueued = 0;
7096
            oldfire = hooks.empty.fire;
7097
            hooks.empty.fire = function() {
7098
                if ( !hooks.unqueued ) {
7099
                    oldfire();
7100
                }
7101
            };
7102
        }
7103
        hooks.unqueued++;
7104
7105
        anim.always( function() {
7106
7107
            // Ensure the complete handler is called before this completes
7108
            anim.always( function() {
7109
                hooks.unqueued--;
7110
                if ( !jQuery.queue( elem, "fx" ).length ) {
7111
                    hooks.empty.fire();
7112
                }
7113
            } );
7114
        } );
7115
    }
7116
7117
    // Detect show/hide animations
7118
    for ( prop in props ) {
7119
        value = props[ prop ];
7120
        if ( rfxtypes.test( value ) ) {
7121
            delete props[ prop ];
7122
            toggle = toggle || value === "toggle";
7123
            if ( value === ( hidden ? "hide" : "show" ) ) {
7124
7125
                // Pretend to be hidden if this is a "show" and
7126
                // there is still data from a stopped show/hide
7127
                if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
7128
                    hidden = true;
7129
7130
                // Ignore all other no-op show/hide data
7131
                } else {
7132
                    continue;
7133
                }
7134
            }
7135
            orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
7136
        }
7137
    }
7138
7139
    // Bail out if this is a no-op like .hide().hide()
7140
    propTween = !jQuery.isEmptyObject( props );
7141
    if ( !propTween && jQuery.isEmptyObject( orig ) ) {
7142
        return;
7143
    }
7144
7145
    // Restrict "overflow" and "display" styles during box animations
7146
    if ( isBox && elem.nodeType === 1 ) {
7147
7148
        // Support: IE <=9 - 11, Edge 12 - 15
7149
        // Record all 3 overflow attributes because IE does not infer the shorthand
7150
        // from identically-valued overflowX and overflowY and Edge just mirrors
7151
        // the overflowX value there.
7152
        opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
7153
7154
        // Identify a display type, preferring old show/hide data over the CSS cascade
7155
        restoreDisplay = dataShow && dataShow.display;
7156
        if ( restoreDisplay == null ) {
7157
            restoreDisplay = dataPriv.get( elem, "display" );
7158
        }
7159
        display = jQuery.css( elem, "display" );
7160
        if ( display === "none" ) {
7161
            if ( restoreDisplay ) {
7162
                display = restoreDisplay;
7163
            } else {
7164
7165
                // Get nonempty value(s) by temporarily forcing visibility
7166
                showHide( [ elem ], true );
7167
                restoreDisplay = elem.style.display || restoreDisplay;
7168
                display = jQuery.css( elem, "display" );
7169
                showHide( [ elem ] );
7170
            }
7171
        }
7172
7173
        // Animate inline elements as inline-block
7174
        if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) {
7175
            if ( jQuery.css( elem, "float" ) === "none" ) {
7176
7177
                // Restore the original display value at the end of pure show/hide animations
7178
                if ( !propTween ) {
7179
                    anim.done( function() {
7180
                        style.display = restoreDisplay;
7181
                    } );
7182
                    if ( restoreDisplay == null ) {
7183
                        display = style.display;
7184
                        restoreDisplay = display === "none" ? "" : display;
7185
                    }
7186
                }
7187
                style.display = "inline-block";
7188
            }
7189
        }
7190
    }
7191
7192
    if ( opts.overflow ) {
7193
        style.overflow = "hidden";
7194
        anim.always( function() {
7195
            style.overflow = opts.overflow[ 0 ];
7196
            style.overflowX = opts.overflow[ 1 ];
7197
            style.overflowY = opts.overflow[ 2 ];
7198
        } );
7199
    }
7200
7201
    // Implement show/hide animations
7202
    propTween = false;
7203
    for ( prop in orig ) {
7204
7205
        // General show/hide setup for this element animation
7206
        if ( !propTween ) {
7207
            if ( dataShow ) {
7208
                if ( "hidden" in dataShow ) {
7209
                    hidden = dataShow.hidden;
7210
                }
7211
            } else {
7212
                dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } );
7213
            }
7214
7215
            // Store hidden/visible for toggle so `.stop().toggle()` "reverses"
7216
            if ( toggle ) {
7217
                dataShow.hidden = !hidden;
7218
            }
7219
7220
            // Show elements before animating them
7221
            if ( hidden ) {
7222
                showHide( [ elem ], true );
7223
            }
7224
7225
            /* eslint-disable no-loop-func */
7226
7227
            anim.done( function() {
7228
7229
            /* eslint-enable no-loop-func */
7230
7231
                // The final step of a "hide" animation is actually hiding the element
7232
                if ( !hidden ) {
7233
                    showHide( [ elem ] );
7234
                }
7235
                dataPriv.remove( elem, "fxshow" );
7236
                for ( prop in orig ) {
7237
                    jQuery.style( elem, prop, orig[ prop ] );
7238
                }
7239
            } );
7240
        }
7241
7242
        // Per-property setup
7243
        propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
7244
        if ( !( prop in dataShow ) ) {
7245
            dataShow[ prop ] = propTween.start;
7246
            if ( hidden ) {
7247
                propTween.end = propTween.start;
7248
                propTween.start = 0;
7249
            }
7250
        }
7251
    }
7252
}
7253
7254
function propFilter( props, specialEasing ) {
7255
    var index, name, easing, value, hooks;
7256
7257
    // camelCase, specialEasing and expand cssHook pass
7258
    for ( index in props ) {
7259
        name = camelCase( index );
7260
        easing = specialEasing[ name ];
7261
        value = props[ index ];
7262
        if ( Array.isArray( value ) ) {
7263
            easing = value[ 1 ];
7264
            value = props[ index ] = value[ 0 ];
7265
        }
7266
7267
        if ( index !== name ) {
7268
            props[ name ] = value;
7269
            delete props[ index ];
7270
        }
7271
7272
        hooks = jQuery.cssHooks[ name ];
7273
        if ( hooks && "expand" in hooks ) {
7274
            value = hooks.expand( value );
7275
            delete props[ name ];
7276
7277
            // Not quite $.extend, this won't overwrite existing keys.
7278
            // Reusing 'index' because we have the correct "name"
7279
            for ( index in value ) {
7280
                if ( !( index in props ) ) {
7281
                    props[ index ] = value[ index ];
7282
                    specialEasing[ index ] = easing;
7283
                }
7284
            }
7285
        } else {
7286
            specialEasing[ name ] = easing;
7287
        }
7288
    }
7289
}
7290
7291
function Animation( elem, properties, options ) {
7292
    var result,
7293
        stopped,
7294
        index = 0,
7295
        length = Animation.prefilters.length,
7296
        deferred = jQuery.Deferred().always( function() {
7297
7298
            // Don't match elem in the :animated selector
7299
            delete tick.elem;
7300
        } ),
7301
        tick = function() {
7302
            if ( stopped ) {
7303
                return false;
7304
            }
7305
            var currentTime = fxNow || createFxNow(),
7306
                remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
7307
7308
                // Support: Android 2.3 only
7309
                // Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497)
7310
                temp = remaining / animation.duration || 0,
7311
                percent = 1 - temp,
7312
                index = 0,
7313
                length = animation.tweens.length;
7314
7315
            for ( ; index < length; index++ ) {
7316
                animation.tweens[ index ].run( percent );
7317
            }
7318
7319
            deferred.notifyWith( elem, [ animation, percent, remaining ] );
7320
7321
            // If there's more to do, yield
7322
            if ( percent < 1 && length ) {
7323
                return remaining;
7324
            }
7325
7326
            // If this was an empty animation, synthesize a final progress notification
7327
            if ( !length ) {
7328
                deferred.notifyWith( elem, [ animation, 1, 0 ] );
7329
            }
7330
7331
            // Resolve the animation and report its conclusion
7332
            deferred.resolveWith( elem, [ animation ] );
7333
            return false;
7334
        },
7335
        animation = deferred.promise( {
7336
            elem: elem,
7337
            props: jQuery.extend( {}, properties ),
7338
            opts: jQuery.extend( true, {
7339
                specialEasing: {},
7340
                easing: jQuery.easing._default
7341
            }, options ),
7342
            originalProperties: properties,
7343
            originalOptions: options,
7344
            startTime: fxNow || createFxNow(),
7345
            duration: options.duration,
7346
            tweens: [],
7347
            createTween: function( prop, end ) {
7348
                var tween = jQuery.Tween( elem, animation.opts, prop, end,
7349
                        animation.opts.specialEasing[ prop ] || animation.opts.easing );
7350
                animation.tweens.push( tween );
7351
                return tween;
7352
            },
7353
            stop: function( gotoEnd ) {
7354
                var index = 0,
7355
7356
                    // If we are going to the end, we want to run all the tweens
7357
                    // otherwise we skip this part
7358
                    length = gotoEnd ? animation.tweens.length : 0;
7359
                if ( stopped ) {
7360
                    return this;
7361
                }
7362
                stopped = true;
7363
                for ( ; index < length; index++ ) {
7364
                    animation.tweens[ index ].run( 1 );
7365
                }
7366
7367
                // Resolve when we played the last frame; otherwise, reject
7368
                if ( gotoEnd ) {
7369
                    deferred.notifyWith( elem, [ animation, 1, 0 ] );
7370
                    deferred.resolveWith( elem, [ animation, gotoEnd ] );
7371
                } else {
7372
                    deferred.rejectWith( elem, [ animation, gotoEnd ] );
7373
                }
7374
                return this;
7375
            }
7376
        } ),
7377
        props = animation.props;
7378
7379
    propFilter( props, animation.opts.specialEasing );
7380
7381
    for ( ; index < length; index++ ) {
7382
        result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts );
7383
        if ( result ) {
7384
            if ( isFunction( result.stop ) ) {
7385
                jQuery._queueHooks( animation.elem, animation.opts.queue ).stop =
7386
                    result.stop.bind( result );
7387
            }
7388
            return result;
7389
        }
7390
    }
7391
7392
    jQuery.map( props, createTween, animation );
7393
7394
    if ( isFunction( animation.opts.start ) ) {
7395
        animation.opts.start.call( elem, animation );
7396
    }
7397
7398
    // Attach callbacks from options
7399
    animation
7400
        .progress( animation.opts.progress )
7401
        .done( animation.opts.done, animation.opts.complete )
7402
        .fail( animation.opts.fail )
7403
        .always( animation.opts.always );
7404
7405
    jQuery.fx.timer(
7406
        jQuery.extend( tick, {
7407
            elem: elem,
7408
            anim: animation,
7409
            queue: animation.opts.queue
7410
        } )
7411
    );
7412
7413
    return animation;
7414
}
7415
7416
jQuery.Animation = jQuery.extend( Animation, {
7417
7418
    tweeners: {
7419
        "*": [ function( prop, value ) {
7420
            var tween = this.createTween( prop, value );
7421
            adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween );
7422
            return tween;
7423
        } ]
7424
    },
7425
7426
    tweener: function( props, callback ) {
7427
        if ( isFunction( props ) ) {
7428
            callback = props;
7429
            props = [ "*" ];
7430
        } else {
7431
            props = props.match( rnothtmlwhite );
7432
        }
7433
7434
        var prop,
7435
            index = 0,
7436
            length = props.length;
7437
7438
        for ( ; index < length; index++ ) {
7439
            prop = props[ index ];
7440
            Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || [];
7441
            Animation.tweeners[ prop ].unshift( callback );
7442
        }
7443
    },
7444
7445
    prefilters: [ defaultPrefilter ],
7446
7447
    prefilter: function( callback, prepend ) {
7448
        if ( prepend ) {
7449
            Animation.prefilters.unshift( callback );
7450
        } else {
7451
            Animation.prefilters.push( callback );
7452
        }
7453
    }
7454
} );
7455
7456
jQuery.speed = function( speed, easing, fn ) {
7457
    var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
7458
        complete: fn || !fn && easing ||
7459
            isFunction( speed ) && speed,
7460
        duration: speed,
7461
        easing: fn && easing || easing && !isFunction( easing ) && easing
7462
    };
7463
7464
    // Go to the end state if fx are off
7465
    if ( jQuery.fx.off ) {
7466
        opt.duration = 0;
7467
7468
    } else {
7469
        if ( typeof opt.duration !== "number" ) {
7470
            if ( opt.duration in jQuery.fx.speeds ) {
7471
                opt.duration = jQuery.fx.speeds[ opt.duration ];
7472
7473
            } else {
7474
                opt.duration = jQuery.fx.speeds._default;
7475
            }
7476
        }
7477
    }
7478
7479
    // Normalize opt.queue - true/undefined/null -> "fx"
7480
    if ( opt.queue == null || opt.queue === true ) {
7481
        opt.queue = "fx";
7482
    }
7483
7484
    // Queueing
7485
    opt.old = opt.complete;
7486
7487
    opt.complete = function() {
7488
        if ( isFunction( opt.old ) ) {
7489
            opt.old.call( this );
7490
        }
7491
7492
        if ( opt.queue ) {
7493
            jQuery.dequeue( this, opt.queue );
7494
        }
7495
    };
7496
7497
    return opt;
7498
};
7499
7500
jQuery.fn.extend( {
7501
    fadeTo: function( speed, to, easing, callback ) {
7502
7503
        // Show any hidden elements after setting opacity to 0
7504
        return this.filter( isHiddenWithinTree ).css( "opacity", 0 ).show()
7505
7506
            // Animate to the value specified
7507
            .end().animate( { opacity: to }, speed, easing, callback );
7508
    },
7509
    animate: function( prop, speed, easing, callback ) {
7510
        var empty = jQuery.isEmptyObject( prop ),
7511
            optall = jQuery.speed( speed, easing, callback ),
7512
            doAnimation = function() {
7513
7514
                // Operate on a copy of prop so per-property easing won't be lost
7515
                var anim = Animation( this, jQuery.extend( {}, prop ), optall );
7516
7517
                // Empty animations, or finishing resolves immediately
7518
                if ( empty || dataPriv.get( this, "finish" ) ) {
7519
                    anim.stop( true );
7520
                }
7521
            };
7522
            doAnimation.finish = doAnimation;
7523
7524
        return empty || optall.queue === false ?
7525
            this.each( doAnimation ) :
7526
            this.queue( optall.queue, doAnimation );
7527
    },
7528
    stop: function( type, clearQueue, gotoEnd ) {
7529
        var stopQueue = function( hooks ) {
7530
            var stop = hooks.stop;
7531
            delete hooks.stop;
7532
            stop( gotoEnd );
7533
        };
7534
7535
        if ( typeof type !== "string" ) {
7536
            gotoEnd = clearQueue;
7537
            clearQueue = type;
7538
            type = undefined;
7539
        }
7540
        if ( clearQueue && type !== false ) {
7541
            this.queue( type || "fx", [] );
7542
        }
7543
7544
        return this.each( function() {
7545
            var dequeue = true,
7546
                index = type != null && type + "queueHooks",
7547
                timers = jQuery.timers,
7548
                data = dataPriv.get( this );
7549
7550
            if ( index ) {
7551
                if ( data[ index ] && data[ index ].stop ) {
7552
                    stopQueue( data[ index ] );
7553
                }
7554
            } else {
7555
                for ( index in data ) {
7556
                    if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
7557
                        stopQueue( data[ index ] );
7558
                    }
7559
                }
7560
            }
7561
7562
            for ( index = timers.length; index--; ) {
7563
                if ( timers[ index ].elem === this &&
7564
                    ( type == null || timers[ index ].queue === type ) ) {
7565
7566
                    timers[ index ].anim.stop( gotoEnd );
7567
                    dequeue = false;
7568
                    timers.splice( index, 1 );
7569
                }
7570
            }
7571
7572
            // Start the next in the queue if the last step wasn't forced.
7573
            // Timers currently will call their complete callbacks, which
7574
            // will dequeue but only if they were gotoEnd.
7575
            if ( dequeue || !gotoEnd ) {
7576
                jQuery.dequeue( this, type );
7577
            }
7578
        } );
7579
    },
7580
    finish: function( type ) {
7581
        if ( type !== false ) {
7582
            type = type || "fx";
7583
        }
7584
        return this.each( function() {
7585
            var index,
7586
                data = dataPriv.get( this ),
7587
                queue = data[ type + "queue" ],
7588
                hooks = data[ type + "queueHooks" ],
7589
                timers = jQuery.timers,
7590
                length = queue ? queue.length : 0;
7591
7592
            // Enable finishing flag on private data
7593
            data.finish = true;
7594
7595
            // Empty the queue first
7596
            jQuery.queue( this, type, [] );
7597
7598
            if ( hooks && hooks.stop ) {
7599
                hooks.stop.call( this, true );
7600
            }
7601
7602
            // Look for any active animations, and finish them
7603
            for ( index = timers.length; index--; ) {
7604
                if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
7605
                    timers[ index ].anim.stop( true );
7606
                    timers.splice( index, 1 );
7607
                }
7608
            }
7609
7610
            // Look for any animations in the old queue and finish them
7611
            for ( index = 0; index < length; index++ ) {
7612
                if ( queue[ index ] && queue[ index ].finish ) {
7613
                    queue[ index ].finish.call( this );
7614
                }
7615
            }
7616
7617
            // Turn off finishing flag
7618
            delete data.finish;
7619
        } );
7620
    }
7621
} );
7622
7623
jQuery.each( [ "toggle", "show", "hide" ], function( i, name ) {
7624
    var cssFn = jQuery.fn[ name ];
7625
    jQuery.fn[ name ] = function( speed, easing, callback ) {
7626
        return speed == null || typeof speed === "boolean" ?
7627
            cssFn.apply( this, arguments ) :
7628
            this.animate( genFx( name, true ), speed, easing, callback );
7629
    };
7630
} );
7631
7632
// Generate shortcuts for custom animations
7633
jQuery.each( {
7634
    slideDown: genFx( "show" ),
7635
    slideUp: genFx( "hide" ),
7636
    slideToggle: genFx( "toggle" ),
7637
    fadeIn: { opacity: "show" },
7638
    fadeOut: { opacity: "hide" },
7639
    fadeToggle: { opacity: "toggle" }
7640
}, function( name, props ) {
7641
    jQuery.fn[ name ] = function( speed, easing, callback ) {
7642
        return this.animate( props, speed, easing, callback );
7643
    };
7644
} );
7645
7646
jQuery.timers = [];
7647
jQuery.fx.tick = function() {
7648
    var timer,
7649
        i = 0,
7650
        timers = jQuery.timers;
7651
7652
    fxNow = Date.now();
7653
7654
    for ( ; i < timers.length; i++ ) {
7655
        timer = timers[ i ];
7656
7657
        // Run the timer and safely remove it when done (allowing for external removal)
7658
        if ( !timer() && timers[ i ] === timer ) {
7659
            timers.splice( i--, 1 );
7660
        }
7661
    }
7662
7663
    if ( !timers.length ) {
7664
        jQuery.fx.stop();
7665
    }
7666
    fxNow = undefined;
7667
};
7668
7669
jQuery.fx.timer = function( timer ) {
7670
    jQuery.timers.push( timer );
7671
    jQuery.fx.start();
7672
};
7673
7674
jQuery.fx.interval = 13;
7675
jQuery.fx.start = function() {
7676
    if ( inProgress ) {
7677
        return;
7678
    }
7679
7680
    inProgress = true;
7681
    schedule();
7682
};
7683
7684
jQuery.fx.stop = function() {
7685
    inProgress = null;
7686
};
7687
7688
jQuery.fx.speeds = {
7689
    slow: 600,
7690
    fast: 200,
7691
7692
    // Default speed
7693
    _default: 400
7694
};
7695
7696
7697
// Based off of the plugin by Clint Helfers, with permission.
7698
// https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
7699
jQuery.fn.delay = function( time, type ) {
7700
    time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
7701
    type = type || "fx";
7702
7703
    return this.queue( type, function( next, hooks ) {
7704
        var timeout = window.setTimeout( next, time );
7705
        hooks.stop = function() {
7706
            window.clearTimeout( timeout );
7707
        };
7708
    } );
7709
};
7710
7711
7712
( function() {
7713
    var input = document.createElement( "input" ),
7714
        select = document.createElement( "select" ),
7715
        opt = select.appendChild( document.createElement( "option" ) );
7716
7717
    input.type = "checkbox";
7718
7719
    // Support: Android <=4.3 only
7720
    // Default value for a checkbox should be "on"
7721
    support.checkOn = input.value !== "";
7722
7723
    // Support: IE <=11 only
7724
    // Must access selectedIndex to make default options select
7725
    support.optSelected = opt.selected;
7726
7727
    // Support: IE <=11 only
7728
    // An input loses its value after becoming a radio
7729
    input = document.createElement( "input" );
7730
    input.value = "t";
7731
    input.type = "radio";
7732
    support.radioValue = input.value === "t";
7733
} )();
7734
7735
7736
var boolHook,
7737
    attrHandle = jQuery.expr.attrHandle;
7738
7739
jQuery.fn.extend( {
7740
    attr: function( name, value ) {
7741
        return access( this, jQuery.attr, name, value, arguments.length > 1 );
7742
    },
7743
7744
    removeAttr: function( name ) {
7745
        return this.each( function() {
7746
            jQuery.removeAttr( this, name );
7747
        } );
7748
    }
7749
} );
7750
7751
jQuery.extend( {
7752
    attr: function( elem, name, value ) {
7753
        var ret, hooks,
7754
            nType = elem.nodeType;
7755
7756
        // Don't get/set attributes on text, comment and attribute nodes
7757
        if ( nType === 3 || nType === 8 || nType === 2 ) {
7758
            return;
7759
        }
7760
7761
        // Fallback to prop when attributes are not supported
7762
        if ( typeof elem.getAttribute === "undefined" ) {
7763
            return jQuery.prop( elem, name, value );
7764
        }
7765
7766
        // Attribute hooks are determined by the lowercase version
7767
        // Grab necessary hook if one is defined
7768
        if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
7769
            hooks = jQuery.attrHooks[ name.toLowerCase() ] ||
7770
                ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
7771
        }
7772
7773
        if ( value !== undefined ) {
7774
            if ( value === null ) {
7775
                jQuery.removeAttr( elem, name );
7776
                return;
7777
            }
7778
7779
            if ( hooks && "set" in hooks &&
7780
                ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
7781
                return ret;
7782
            }
7783
7784
            elem.setAttribute( name, value + "" );
7785
            return value;
7786
        }
7787
7788
        if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
7789
            return ret;
7790
        }
7791
7792
        ret = jQuery.find.attr( elem, name );
7793
7794
        // Non-existent attributes return null, we normalize to undefined
7795
        return ret == null ? undefined : ret;
7796
    },
7797
7798
    attrHooks: {
7799
        type: {
7800
            set: function( elem, value ) {
7801
                if ( !support.radioValue && value === "radio" &&
7802
                    nodeName( elem, "input" ) ) {
7803
                    var val = elem.value;
7804
                    elem.setAttribute( "type", value );
7805
                    if ( val ) {
7806
                        elem.value = val;
7807
                    }
7808
                    return value;
7809
                }
7810
            }
7811
        }
7812
    },
7813
7814
    removeAttr: function( elem, value ) {
7815
        var name,
7816
            i = 0,
7817
7818
            // Attribute names can contain non-HTML whitespace characters
7819
            // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
7820
            attrNames = value && value.match( rnothtmlwhite );
7821
7822
        if ( attrNames && elem.nodeType === 1 ) {
7823
            while ( ( name = attrNames[ i++ ] ) ) {
7824
                elem.removeAttribute( name );
7825
            }
7826
        }
7827
    }
7828
} );
7829
7830
// Hooks for boolean attributes
7831
boolHook = {
7832
    set: function( elem, value, name ) {
7833
        if ( value === false ) {
7834
7835
            // Remove boolean attributes when set to false
7836
            jQuery.removeAttr( elem, name );
7837
        } else {
7838
            elem.setAttribute( name, name );
7839
        }
7840
        return name;
7841
    }
7842
};
7843
7844
jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
7845
    var getter = attrHandle[ name ] || jQuery.find.attr;
7846
7847
    attrHandle[ name ] = function( elem, name, isXML ) {
7848
        var ret, handle,
7849
            lowercaseName = name.toLowerCase();
7850
7851
        if ( !isXML ) {
7852
7853
            // Avoid an infinite loop by temporarily removing this function from the getter
7854
            handle = attrHandle[ lowercaseName ];
7855
            attrHandle[ lowercaseName ] = ret;
7856
            ret = getter( elem, name, isXML ) != null ?
7857
                lowercaseName :
7858
                null;
7859
            attrHandle[ lowercaseName ] = handle;
7860
        }
7861
        return ret;
7862
    };
7863
} );
7864
7865
7866
7867
7868
var rfocusable = /^(?:input|select|textarea|button)$/i,
7869
    rclickable = /^(?:a|area)$/i;
7870
7871
jQuery.fn.extend( {
7872
    prop: function( name, value ) {
7873
        return access( this, jQuery.prop, name, value, arguments.length > 1 );
7874
    },
7875
7876
    removeProp: function( name ) {
7877
        return this.each( function() {
7878
            delete this[ jQuery.propFix[ name ] || name ];
7879
        } );
7880
    }
7881
} );
7882
7883
jQuery.extend( {
7884
    prop: function( elem, name, value ) {
7885
        var ret, hooks,
7886
            nType = elem.nodeType;
7887
7888
        // Don't get/set properties on text, comment and attribute nodes
7889
        if ( nType === 3 || nType === 8 || nType === 2 ) {
7890
            return;
7891
        }
7892
7893
        if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
7894
7895
            // Fix name and attach hooks
7896
            name = jQuery.propFix[ name ] || name;
7897
            hooks = jQuery.propHooks[ name ];
7898
        }
7899
7900
        if ( value !== undefined ) {
7901
            if ( hooks && "set" in hooks &&
7902
                ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
7903
                return ret;
7904
            }
7905
7906
            return ( elem[ name ] = value );
7907
        }
7908
7909
        if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
7910
            return ret;
7911
        }
7912
7913
        return elem[ name ];
7914
    },
7915
7916
    propHooks: {
7917
        tabIndex: {
7918
            get: function( elem ) {
7919
7920
                // Support: IE <=9 - 11 only
7921
                // elem.tabIndex doesn't always return the
7922
                // correct value when it hasn't been explicitly set
7923
                // https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
7924
                // Use proper attribute retrieval(#12072)
7925
                var tabindex = jQuery.find.attr( elem, "tabindex" );
7926
7927
                if ( tabindex ) {
7928
                    return parseInt( tabindex, 10 );
7929
                }
7930
7931
                if (
7932
                    rfocusable.test( elem.nodeName ) ||
7933
                    rclickable.test( elem.nodeName ) &&
7934
                    elem.href
7935
                ) {
7936
                    return 0;
7937
                }
7938
7939
                return -1;
7940
            }
7941
        }
7942
    },
7943
7944
    propFix: {
7945
        "for": "htmlFor",
7946
        "class": "className"
7947
    }
7948
} );
7949
7950
// Support: IE <=11 only
7951
// Accessing the selectedIndex property
7952
// forces the browser to respect setting selected
7953
// on the option
7954
// The getter ensures a default option is selected
7955
// when in an optgroup
7956
// eslint rule "no-unused-expressions" is disabled for this code
7957
// since it considers such accessions noop
7958
if ( !support.optSelected ) {
7959
    jQuery.propHooks.selected = {
7960
        get: function( elem ) {
7961
7962
            /* eslint no-unused-expressions: "off" */
7963
7964
            var parent = elem.parentNode;
7965
            if ( parent && parent.parentNode ) {
7966
                parent.parentNode.selectedIndex;
7967
            }
7968
            return null;
7969
        },
7970
        set: function( elem ) {
7971
7972
            /* eslint no-unused-expressions: "off" */
7973
7974
            var parent = elem.parentNode;
7975
            if ( parent ) {
7976
                parent.selectedIndex;
7977
7978
                if ( parent.parentNode ) {
7979
                    parent.parentNode.selectedIndex;
7980
                }
7981
            }
7982
        }
7983
    };
7984
}
7985
7986
jQuery.each( [
7987
    "tabIndex",
7988
    "readOnly",
7989
    "maxLength",
7990
    "cellSpacing",
7991
    "cellPadding",
7992
    "rowSpan",
7993
    "colSpan",
7994
    "useMap",
7995
    "frameBorder",
7996
    "contentEditable"
7997
], function() {
7998
    jQuery.propFix[ this.toLowerCase() ] = this;
7999
} );
8000
8001
8002
8003
8004
    // Strip and collapse whitespace according to HTML spec
8005
    // https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace
8006
    function stripAndCollapse( value ) {
8007
        var tokens = value.match( rnothtmlwhite ) || [];
8008
        return tokens.join( " " );
8009
    }
8010
8011
8012
function getClass( elem ) {
8013
    return elem.getAttribute && elem.getAttribute( "class" ) || "";
8014
}
8015
8016
function classesToArray( value ) {
8017
    if ( Array.isArray( value ) ) {
8018
        return value;
8019
    }
8020
    if ( typeof value === "string" ) {
8021
        return value.match( rnothtmlwhite ) || [];
8022
    }
8023
    return [];
8024
}
8025
8026
jQuery.fn.extend( {
8027
    addClass: function( value ) {
8028
        var classes, elem, cur, curValue, clazz, j, finalValue,
8029
            i = 0;
8030
8031
        if ( isFunction( value ) ) {
8032
            return this.each( function( j ) {
8033
                jQuery( this ).addClass( value.call( this, j, getClass( this ) ) );
8034
            } );
8035
        }
8036
8037
        classes = classesToArray( value );
8038
8039
        if ( classes.length ) {
8040
            while ( ( elem = this[ i++ ] ) ) {
8041
                curValue = getClass( elem );
8042
                cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
8043
8044
                if ( cur ) {
8045
                    j = 0;
8046
                    while ( ( clazz = classes[ j++ ] ) ) {
8047
                        if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
8048
                            cur += clazz + " ";
8049
                        }
8050
                    }
8051
8052
                    // Only assign if different to avoid unneeded rendering.
8053
                    finalValue = stripAndCollapse( cur );
8054
                    if ( curValue !== finalValue ) {
8055
                        elem.setAttribute( "class", finalValue );
8056
                    }
8057
                }
8058
            }
8059
        }
8060
8061
        return this;
8062
    },
8063
8064
    removeClass: function( value ) {
8065
        var classes, elem, cur, curValue, clazz, j, finalValue,
8066
            i = 0;
8067
8068
        if ( isFunction( value ) ) {
8069
            return this.each( function( j ) {
8070
                jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) );
8071
            } );
8072
        }
8073
8074
        if ( !arguments.length ) {
8075
            return this.attr( "class", "" );
8076
        }
8077
8078
        classes = classesToArray( value );
8079
8080
        if ( classes.length ) {
8081
            while ( ( elem = this[ i++ ] ) ) {
8082
                curValue = getClass( elem );
8083
8084
                // This expression is here for better compressibility (see addClass)
8085
                cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
8086
8087
                if ( cur ) {
8088
                    j = 0;
8089
                    while ( ( clazz = classes[ j++ ] ) ) {
8090
8091
                        // Remove *all* instances
8092
                        while ( cur.indexOf( " " + clazz + " " ) > -1 ) {
8093
                            cur = cur.replace( " " + clazz + " ", " " );
8094
                        }
8095
                    }
8096
8097
                    // Only assign if different to avoid unneeded rendering.
8098
                    finalValue = stripAndCollapse( cur );
8099
                    if ( curValue !== finalValue ) {
8100
                        elem.setAttribute( "class", finalValue );
8101
                    }
8102
                }
8103
            }
8104
        }
8105
8106
        return this;
8107
    },
8108
8109
    toggleClass: function( value, stateVal ) {
8110
        var type = typeof value,
8111
            isValidValue = type === "string" || Array.isArray( value );
8112
8113
        if ( typeof stateVal === "boolean" && isValidValue ) {
8114
            return stateVal ? this.addClass( value ) : this.removeClass( value );
8115
        }
8116
8117
        if ( isFunction( value ) ) {
8118
            return this.each( function( i ) {
8119
                jQuery( this ).toggleClass(
8120
                    value.call( this, i, getClass( this ), stateVal ),
8121
                    stateVal
8122
                );
8123
            } );
8124
        }
8125
8126
        return this.each( function() {
8127
            var className, i, self, classNames;
8128
8129
            if ( isValidValue ) {
8130
8131
                // Toggle individual class names
8132
                i = 0;
8133
                self = jQuery( this );
8134
                classNames = classesToArray( value );
8135
8136
                while ( ( className = classNames[ i++ ] ) ) {
8137
8138
                    // Check each className given, space separated list
8139
                    if ( self.hasClass( className ) ) {
8140
                        self.removeClass( className );
8141
                    } else {
8142
                        self.addClass( className );
8143
                    }
8144
                }
8145
8146
            // Toggle whole class name
8147
            } else if ( value === undefined || type === "boolean" ) {
8148
                className = getClass( this );
8149
                if ( className ) {
8150
8151
                    // Store className if set
8152
                    dataPriv.set( this, "__className__", className );
8153
                }
8154
8155
                // If the element has a class name or if we're passed `false`,
8156
                // then remove the whole classname (if there was one, the above saved it).
8157
                // Otherwise bring back whatever was previously saved (if anything),
8158
                // falling back to the empty string if nothing was stored.
8159
                if ( this.setAttribute ) {
8160
                    this.setAttribute( "class",
8161
                        className || value === false ?
8162
                        "" :
8163
                        dataPriv.get( this, "__className__" ) || ""
8164
                    );
8165
                }
8166
            }
8167
        } );
8168
    },
8169
8170
    hasClass: function( selector ) {
8171
        var className, elem,
8172
            i = 0;
8173
8174
        className = " " + selector + " ";
8175
        while ( ( elem = this[ i++ ] ) ) {
8176
            if ( elem.nodeType === 1 &&
8177
                ( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) {
8178
                    return true;
8179
            }
8180
        }
8181
8182
        return false;
8183
    }
8184
} );
8185
8186
8187
8188
8189
var rreturn = /\r/g;
8190
8191
jQuery.fn.extend( {
8192
    val: function( value ) {
8193
        var hooks, ret, valueIsFunction,
8194
            elem = this[ 0 ];
8195
8196
        if ( !arguments.length ) {
8197
            if ( elem ) {
8198
                hooks = jQuery.valHooks[ elem.type ] ||
8199
                    jQuery.valHooks[ elem.nodeName.toLowerCase() ];
8200
8201
                if ( hooks &&
8202
                    "get" in hooks &&
8203
                    ( ret = hooks.get( elem, "value" ) ) !== undefined
8204
                ) {
8205
                    return ret;
8206
                }
8207
8208
                ret = elem.value;
8209
8210
                // Handle most common string cases
8211
                if ( typeof ret === "string" ) {
8212
                    return ret.replace( rreturn, "" );
8213
                }
8214
8215
                // Handle cases where value is null/undef or number
8216
                return ret == null ? "" : ret;
8217
            }
8218
8219
            return;
8220
        }
8221
8222
        valueIsFunction = isFunction( value );
8223
8224
        return this.each( function( i ) {
8225
            var val;
8226
8227
            if ( this.nodeType !== 1 ) {
8228
                return;
8229
            }
8230
8231
            if ( valueIsFunction ) {
8232
                val = value.call( this, i, jQuery( this ).val() );
8233
            } else {
8234
                val = value;
8235
            }
8236
8237
            // Treat null/undefined as ""; convert numbers to string
8238
            if ( val == null ) {
8239
                val = "";
8240
8241
            } else if ( typeof val === "number" ) {
8242
                val += "";
8243
8244
            } else if ( Array.isArray( val ) ) {
8245
                val = jQuery.map( val, function( value ) {
8246
                    return value == null ? "" : value + "";
8247
                } );
8248
            }
8249
8250
            hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
8251
8252
            // If set returns undefined, fall back to normal setting
8253
            if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) {
8254
                this.value = val;
8255
            }
8256
        } );
8257
    }
8258
} );
8259
8260
jQuery.extend( {
8261
    valHooks: {
8262
        option: {
8263
            get: function( elem ) {
8264
8265
                var val = jQuery.find.attr( elem, "value" );
8266
                return val != null ?
8267
                    val :
8268
8269
                    // Support: IE <=10 - 11 only
8270
                    // option.text throws exceptions (#14686, #14858)
8271
                    // Strip and collapse whitespace
8272
                    // https://html.spec.whatwg.org/#strip-and-collapse-whitespace
8273
                    stripAndCollapse( jQuery.text( elem ) );
8274
            }
8275
        },
8276
        select: {
8277
            get: function( elem ) {
8278
                var value, option, i,
8279
                    options = elem.options,
8280
                    index = elem.selectedIndex,
8281
                    one = elem.type === "select-one",
8282
                    values = one ? null : [],
8283
                    max = one ? index + 1 : options.length;
8284
8285
                if ( index < 0 ) {
8286
                    i = max;
8287
8288
                } else {
8289
                    i = one ? index : 0;
8290
                }
8291
8292
                // Loop through all the selected options
8293
                for ( ; i < max; i++ ) {
8294
                    option = options[ i ];
8295
8296
                    // Support: IE <=9 only
8297
                    // IE8-9 doesn't update selected after form reset (#2551)
8298
                    if ( ( option.selected || i === index ) &&
8299
8300
                            // Don't return options that are disabled or in a disabled optgroup
8301
                            !option.disabled &&
8302
                            ( !option.parentNode.disabled ||
8303
                                !nodeName( option.parentNode, "optgroup" ) ) ) {
8304
8305
                        // Get the specific value for the option
8306
                        value = jQuery( option ).val();
8307
8308
                        // We don't need an array for one selects
8309
                        if ( one ) {
8310
                            return value;
8311
                        }
8312
8313
                        // Multi-Selects return an array
8314
                        values.push( value );
8315
                    }
8316
                }
8317
8318
                return values;
8319
            },
8320
8321
            set: function( elem, value ) {
8322
                var optionSet, option,
8323
                    options = elem.options,
8324
                    values = jQuery.makeArray( value ),
8325
                    i = options.length;
8326
8327
                while ( i-- ) {
8328
                    option = options[ i ];
8329
8330
                    /* eslint-disable no-cond-assign */
8331
8332
                    if ( option.selected =
8333
                        jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1
8334
                    ) {
8335
                        optionSet = true;
8336
                    }
8337
8338
                    /* eslint-enable no-cond-assign */
8339
                }
8340
8341
                // Force browsers to behave consistently when non-matching value is set
8342
                if ( !optionSet ) {
8343
                    elem.selectedIndex = -1;
8344
                }
8345
                return values;
8346
            }
8347
        }
8348
    }
8349
} );
8350
8351
// Radios and checkboxes getter/setter
8352
jQuery.each( [ "radio", "checkbox" ], function() {
8353
    jQuery.valHooks[ this ] = {
8354
        set: function( elem, value ) {
8355
            if ( Array.isArray( value ) ) {
8356
                return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );
8357
            }
8358
        }
8359
    };
8360
    if ( !support.checkOn ) {
8361
        jQuery.valHooks[ this ].get = function( elem ) {
8362
            return elem.getAttribute( "value" ) === null ? "on" : elem.value;
8363
        };
8364
    }
8365
} );
8366
8367
8368
8369
8370
// Return jQuery for attributes-only inclusion
8371
8372
8373
support.focusin = "onfocusin" in window;
8374
8375
8376
var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
8377
    stopPropagationCallback = function( e ) {
8378
        e.stopPropagation();
8379
    };
8380
8381
jQuery.extend( jQuery.event, {
8382
8383
    trigger: function( event, data, elem, onlyHandlers ) {
8384
8385
        var i, cur, tmp, bubbleType, ontype, handle, special, lastElement,
8386
            eventPath = [ elem || document ],
8387
            type = hasOwn.call( event, "type" ) ? event.type : event,
8388
            namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : [];
8389
8390
        cur = lastElement = tmp = elem = elem || document;
8391
8392
        // Don't do events on text and comment nodes
8393
        if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
8394
            return;
8395
        }
8396
8397
        // focus/blur morphs to focusin/out; ensure we're not firing them right now
8398
        if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
8399
            return;
8400
        }
8401
8402
        if ( type.indexOf( "." ) > -1 ) {
8403
8404
            // Namespaced trigger; create a regexp to match event type in handle()
8405
            namespaces = type.split( "." );
8406
            type = namespaces.shift();
8407
            namespaces.sort();
8408
        }
8409
        ontype = type.indexOf( ":" ) < 0 && "on" + type;
8410
8411
        // Caller can pass in a jQuery.Event object, Object, or just an event type string
8412
        event = event[ jQuery.expando ] ?
8413
            event :
8414
            new jQuery.Event( type, typeof event === "object" && event );
8415
8416
        // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
8417
        event.isTrigger = onlyHandlers ? 2 : 3;
8418
        event.namespace = namespaces.join( "." );
8419
        event.rnamespace = event.namespace ?
8420
            new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) :
8421
            null;
8422
8423
        // Clean up the event in case it is being reused
8424
        event.result = undefined;
8425
        if ( !event.target ) {
8426
            event.target = elem;
8427
        }
8428
8429
        // Clone any incoming data and prepend the event, creating the handler arg list
8430
        data = data == null ?
8431
            [ event ] :
8432
            jQuery.makeArray( data, [ event ] );
8433
8434
        // Allow special events to draw outside the lines
8435
        special = jQuery.event.special[ type ] || {};
8436
        if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
8437
            return;
8438
        }
8439
8440
        // Determine event propagation path in advance, per W3C events spec (#9951)
8441
        // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
8442
        if ( !onlyHandlers && !special.noBubble && !isWindow( elem ) ) {
8443
8444
            bubbleType = special.delegateType || type;
8445
            if ( !rfocusMorph.test( bubbleType + type ) ) {
8446
                cur = cur.parentNode;
8447
            }
8448
            for ( ; cur; cur = cur.parentNode ) {
8449
                eventPath.push( cur );
8450
                tmp = cur;
8451
            }
8452
8453
            // Only add window if we got to document (e.g., not plain obj or detached DOM)
8454
            if ( tmp === ( elem.ownerDocument || document ) ) {
8455
                eventPath.push( tmp.defaultView || tmp.parentWindow || window );
8456
            }
8457
        }
8458
8459
        // Fire handlers on the event path
8460
        i = 0;
8461
        while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) {
8462
            lastElement = cur;
8463
            event.type = i > 1 ?
8464
                bubbleType :
8465
                special.bindType || type;
8466
8467
            // jQuery handler
8468
            handle = ( dataPriv.get( cur, "events" ) || {} )[ event.type ] &&
8469
                dataPriv.get( cur, "handle" );
8470
            if ( handle ) {
8471
                handle.apply( cur, data );
8472
            }
8473
8474
            // Native handler
8475
            handle = ontype && cur[ ontype ];
8476
            if ( handle && handle.apply && acceptData( cur ) ) {
8477
                event.result = handle.apply( cur, data );
8478
                if ( event.result === false ) {
8479
                    event.preventDefault();
8480
                }
8481
            }
8482
        }
8483
        event.type = type;
8484
8485
        // If nobody prevented the default action, do it now
8486
        if ( !onlyHandlers && !event.isDefaultPrevented() ) {
8487
8488
            if ( ( !special._default ||
8489
                special._default.apply( eventPath.pop(), data ) === false ) &&
8490
                acceptData( elem ) ) {
8491
8492
                // Call a native DOM method on the target with the same name as the event.
8493
                // Don't do default actions on window, that's where global variables be (#6170)
8494
                if ( ontype && isFunction( elem[ type ] ) && !isWindow( elem ) ) {
8495
8496
                    // Don't re-trigger an onFOO event when we call its FOO() method
8497
                    tmp = elem[ ontype ];
8498
8499
                    if ( tmp ) {
8500
                        elem[ ontype ] = null;
8501
                    }
8502
8503
                    // Prevent re-triggering of the same event, since we already bubbled it above
8504
                    jQuery.event.triggered = type;
8505
8506
                    if ( event.isPropagationStopped() ) {
8507
                        lastElement.addEventListener( type, stopPropagationCallback );
8508
                    }
8509
8510
                    elem[ type ]();
8511
8512
                    if ( event.isPropagationStopped() ) {
8513
                        lastElement.removeEventListener( type, stopPropagationCallback );
8514
                    }
8515
8516
                    jQuery.event.triggered = undefined;
8517
8518
                    if ( tmp ) {
8519
                        elem[ ontype ] = tmp;
8520
                    }
8521
                }
8522
            }
8523
        }
8524
8525
        return event.result;
8526
    },
8527
8528
    // Piggyback on a donor event to simulate a different one
8529
    // Used only for `focus(in | out)` events
8530
    simulate: function( type, elem, event ) {
8531
        var e = jQuery.extend(
8532
            new jQuery.Event(),
8533
            event,
8534
            {
8535
                type: type,
8536
                isSimulated: true
8537
            }
8538
        );
8539
8540
        jQuery.event.trigger( e, null, elem );
8541
    }
8542
8543
} );
8544
8545
jQuery.fn.extend( {
8546
8547
    trigger: function( type, data ) {
8548
        return this.each( function() {
8549
            jQuery.event.trigger( type, data, this );
8550
        } );
8551
    },
8552
    triggerHandler: function( type, data ) {
8553
        var elem = this[ 0 ];
8554
        if ( elem ) {
8555
            return jQuery.event.trigger( type, data, elem, true );
8556
        }
8557
    }
8558
} );
8559
8560
8561
// Support: Firefox <=44
8562
// Firefox doesn't have focus(in | out) events
8563
// Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
8564
//
8565
// Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
8566
// focus(in | out) events fire after focus & blur events,
8567
// which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
8568
// Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857
8569
if ( !support.focusin ) {
8570
    jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
8571
8572
        // Attach a single capturing handler on the document while someone wants focusin/focusout
8573
        var handler = function( event ) {
8574
            jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );
8575
        };
8576
8577
        jQuery.event.special[ fix ] = {
8578
            setup: function() {
8579
                var doc = this.ownerDocument || this,
8580
                    attaches = dataPriv.access( doc, fix );
8581
8582
                if ( !attaches ) {
8583
                    doc.addEventListener( orig, handler, true );
8584
                }
8585
                dataPriv.access( doc, fix, ( attaches || 0 ) + 1 );
8586
            },
8587
            teardown: function() {
8588
                var doc = this.ownerDocument || this,
8589
                    attaches = dataPriv.access( doc, fix ) - 1;
8590
8591
                if ( !attaches ) {
8592
                    doc.removeEventListener( orig, handler, true );
8593
                    dataPriv.remove( doc, fix );
8594
8595
                } else {
8596
                    dataPriv.access( doc, fix, attaches );
8597
                }
8598
            }
8599
        };
8600
    } );
8601
}
8602
var location = window.location;
8603
8604
var nonce = Date.now();
8605
8606
var rquery = ( /\?/ );
8607
8608
8609
8610
// Cross-browser xml parsing
8611
jQuery.parseXML = function( data ) {
8612
    var xml;
8613
    if ( !data || typeof data !== "string" ) {
8614
        return null;
8615
    }
8616
8617
    // Support: IE 9 - 11 only
8618
    // IE throws on parseFromString with invalid input.
8619
    try {
8620
        xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" );
8621
    } catch ( e ) {
8622
        xml = undefined;
8623
    }
8624
8625
    if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) {
8626
        jQuery.error( "Invalid XML: " + data );
8627
    }
8628
    return xml;
8629
};
8630
8631
8632
var
8633
    rbracket = /\[\]$/,
8634
    rCRLF = /\r?\n/g,
8635
    rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
8636
    rsubmittable = /^(?:input|select|textarea|keygen)/i;
8637
8638
function buildParams( prefix, obj, traditional, add ) {
8639
    var name;
8640
8641
    if ( Array.isArray( obj ) ) {
8642
8643
        // Serialize array item.
8644
        jQuery.each( obj, function( i, v ) {
8645
            if ( traditional || rbracket.test( prefix ) ) {
8646
8647
                // Treat each array item as a scalar.
8648
                add( prefix, v );
8649
8650
            } else {
8651
8652
                // Item is non-scalar (array or object), encode its numeric index.
8653
                buildParams(
8654
                    prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]",
8655
                    v,
8656
                    traditional,
8657
                    add
8658
                );
8659
            }
8660
        } );
8661
8662
    } else if ( !traditional && toType( obj ) === "object" ) {
8663
8664
        // Serialize object item.
8665
        for ( name in obj ) {
8666
            buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
8667
        }
8668
8669
    } else {
8670
8671
        // Serialize scalar item.
8672
        add( prefix, obj );
8673
    }
8674
}
8675
8676
// Serialize an array of form elements or a set of
8677
// key/values into a query string
8678
jQuery.param = function( a, traditional ) {
8679
    var prefix,
8680
        s = [],
8681
        add = function( key, valueOrFunction ) {
8682
8683
            // If value is a function, invoke it and use its return value
8684
            var value = isFunction( valueOrFunction ) ?
8685
                valueOrFunction() :
8686
                valueOrFunction;
8687
8688
            s[ s.length ] = encodeURIComponent( key ) + "=" +
8689
                encodeURIComponent( value == null ? "" : value );
8690
        };
8691
8692
    if ( a == null ) {
8693
        return "";
8694
    }
8695
8696
    // If an array was passed in, assume that it is an array of form elements.
8697
    if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
8698
8699
        // Serialize the form elements
8700
        jQuery.each( a, function() {
8701
            add( this.name, this.value );
8702
        } );
8703
8704
    } else {
8705
8706
        // If traditional, encode the "old" way (the way 1.3.2 or older
8707
        // did it), otherwise encode params recursively.
8708
        for ( prefix in a ) {
8709
            buildParams( prefix, a[ prefix ], traditional, add );
8710
        }
8711
    }
8712
8713
    // Return the resulting serialization
8714
    return s.join( "&" );
8715
};
8716
8717
jQuery.fn.extend( {
8718
    serialize: function() {
8719
        return jQuery.param( this.serializeArray() );
8720
    },
8721
    serializeArray: function() {
8722
        return this.map( function() {
8723
8724
            // Can add propHook for "elements" to filter or add form elements
8725
            var elements = jQuery.prop( this, "elements" );
8726
            return elements ? jQuery.makeArray( elements ) : this;
8727
        } )
8728
        .filter( function() {
8729
            var type = this.type;
8730
8731
            // Use .is( ":disabled" ) so that fieldset[disabled] works
8732
            return this.name && !jQuery( this ).is( ":disabled" ) &&
8733
                rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
8734
                ( this.checked || !rcheckableType.test( type ) );
8735
        } )
8736
        .map( function( i, elem ) {
8737
            var val = jQuery( this ).val();
8738
8739
            if ( val == null ) {
8740
                return null;
8741
            }
8742
8743
            if ( Array.isArray( val ) ) {
8744
                return jQuery.map( val, function( val ) {
8745
                    return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
8746
                } );
8747
            }
8748
8749
            return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
8750
        } ).get();
8751
    }
8752
} );
8753
8754
8755
var
8756
    r20 = /%20/g,
8757
    rhash = /#.*$/,
8758
    rantiCache = /([?&])_=[^&]*/,
8759
    rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
8760
8761
    // #7653, #8125, #8152: local protocol detection
8762
    rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
8763
    rnoContent = /^(?:GET|HEAD)$/,
8764
    rprotocol = /^\/\//,
8765
8766
    /* Prefilters
8767
     * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
8768
     * 2) These are called:
8769
     *    - BEFORE asking for a transport
8770
     *    - AFTER param serialization (s.data is a string if s.processData is true)
8771
     * 3) key is the dataType
8772
     * 4) the catchall symbol "*" can be used
8773
     * 5) execution will start with transport dataType and THEN continue down to "*" if needed
8774
     */
8775
    prefilters = {},
8776
8777
    /* Transports bindings
8778
     * 1) key is the dataType
8779
     * 2) the catchall symbol "*" can be used
8780
     * 3) selection will start with transport dataType and THEN go to "*" if needed
8781
     */
8782
    transports = {},
8783
8784
    // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
8785
    allTypes = "*/".concat( "*" ),
8786
8787
    // Anchor tag for parsing the document origin
8788
    originAnchor = document.createElement( "a" );
8789
    originAnchor.href = location.href;
8790
8791
// Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
8792
function addToPrefiltersOrTransports( structure ) {
8793
8794
    // dataTypeExpression is optional and defaults to "*"
8795
    return function( dataTypeExpression, func ) {
8796
8797
        if ( typeof dataTypeExpression !== "string" ) {
8798
            func = dataTypeExpression;
8799
            dataTypeExpression = "*";
8800
        }
8801
8802
        var dataType,
8803
            i = 0,
8804
            dataTypes = dataTypeExpression.toLowerCase().match( rnothtmlwhite ) || [];
8805
8806
        if ( isFunction( func ) ) {
8807
8808
            // For each dataType in the dataTypeExpression
8809
            while ( ( dataType = dataTypes[ i++ ] ) ) {
8810
8811
                // Prepend if requested
8812
                if ( dataType[ 0 ] === "+" ) {
8813
                    dataType = dataType.slice( 1 ) || "*";
8814
                    ( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func );
8815
8816
                // Otherwise append
8817
                } else {
8818
                    ( structure[ dataType ] = structure[ dataType ] || [] ).push( func );
8819
                }
8820
            }
8821
        }
8822
    };
8823
}
8824
8825
// Base inspection function for prefilters and transports
8826
function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
8827
8828
    var inspected = {},
8829
        seekingTransport = ( structure === transports );
8830
8831
    function inspect( dataType ) {
8832
        var selected;
8833
        inspected[ dataType ] = true;
8834
        jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
8835
            var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
8836
            if ( typeof dataTypeOrTransport === "string" &&
8837
                !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
8838
8839
                options.dataTypes.unshift( dataTypeOrTransport );
8840
                inspect( dataTypeOrTransport );
8841
                return false;
8842
            } else if ( seekingTransport ) {
8843
                return !( selected = dataTypeOrTransport );
8844
            }
8845
        } );
8846
        return selected;
8847
    }
8848
8849
    return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
8850
}
8851
8852
// A special extend for ajax options
8853
// that takes "flat" options (not to be deep extended)
8854
// Fixes #9887
8855
function ajaxExtend( target, src ) {
8856
    var key, deep,
8857
        flatOptions = jQuery.ajaxSettings.flatOptions || {};
8858
8859
    for ( key in src ) {
8860
        if ( src[ key ] !== undefined ) {
8861
            ( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ];
8862
        }
8863
    }
8864
    if ( deep ) {
8865
        jQuery.extend( true, target, deep );
8866
    }
8867
8868
    return target;
8869
}
8870
8871
/* Handles responses to an ajax request:
8872
 * - finds the right dataType (mediates between content-type and expected dataType)
8873
 * - returns the corresponding response
8874
 */
8875
function ajaxHandleResponses( s, jqXHR, responses ) {
8876
8877
    var ct, type, finalDataType, firstDataType,
8878
        contents = s.contents,
8879
        dataTypes = s.dataTypes;
8880
8881
    // Remove auto dataType and get content-type in the process
8882
    while ( dataTypes[ 0 ] === "*" ) {
8883
        dataTypes.shift();
8884
        if ( ct === undefined ) {
8885
            ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" );
8886
        }
8887
    }
8888
8889
    // Check if we're dealing with a known content-type
8890
    if ( ct ) {
8891
        for ( type in contents ) {
8892
            if ( contents[ type ] && contents[ type ].test( ct ) ) {
8893
                dataTypes.unshift( type );
8894
                break;
8895
            }
8896
        }
8897
    }
8898
8899
    // Check to see if we have a response for the expected dataType
8900
    if ( dataTypes[ 0 ] in responses ) {
8901
        finalDataType = dataTypes[ 0 ];
8902
    } else {
8903
8904
        // Try convertible dataTypes
8905
        for ( type in responses ) {
8906
            if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) {
8907
                finalDataType = type;
8908
                break;
8909
            }
8910
            if ( !firstDataType ) {
8911
                firstDataType = type;
8912
            }
8913
        }
8914
8915
        // Or just use first one
8916
        finalDataType = finalDataType || firstDataType;
8917
    }
8918
8919
    // If we found a dataType
8920
    // We add the dataType to the list if needed
8921
    // and return the corresponding response
8922
    if ( finalDataType ) {
8923
        if ( finalDataType !== dataTypes[ 0 ] ) {
8924
            dataTypes.unshift( finalDataType );
8925
        }
8926
        return responses[ finalDataType ];
8927
    }
8928
}
8929
8930
/* Chain conversions given the request and the original response
8931
 * Also sets the responseXXX fields on the jqXHR instance
8932
 */
8933
function ajaxConvert( s, response, jqXHR, isSuccess ) {
8934
    var conv2, current, conv, tmp, prev,
8935
        converters = {},
8936
8937
        // Work with a copy of dataTypes in case we need to modify it for conversion
8938
        dataTypes = s.dataTypes.slice();
8939
8940
    // Create converters map with lowercased keys
8941
    if ( dataTypes[ 1 ] ) {
8942
        for ( conv in s.converters ) {
8943
            converters[ conv.toLowerCase() ] = s.converters[ conv ];
8944
        }
8945
    }
8946
8947
    current = dataTypes.shift();
8948
8949
    // Convert to each sequential dataType
8950
    while ( current ) {
8951
8952
        if ( s.responseFields[ current ] ) {
8953
            jqXHR[ s.responseFields[ current ] ] = response;
8954
        }
8955
8956
        // Apply the dataFilter if provided
8957
        if ( !prev && isSuccess && s.dataFilter ) {
8958
            response = s.dataFilter( response, s.dataType );
8959
        }
8960
8961
        prev = current;
8962
        current = dataTypes.shift();
8963
8964
        if ( current ) {
8965
8966
            // There's only work to do if current dataType is non-auto
8967
            if ( current === "*" ) {
8968
8969
                current = prev;
8970
8971
            // Convert response if prev dataType is non-auto and differs from current
8972
            } else if ( prev !== "*" && prev !== current ) {
8973
8974
                // Seek a direct converter
8975
                conv = converters[ prev + " " + current ] || converters[ "* " + current ];
8976
8977
                // If none found, seek a pair
8978
                if ( !conv ) {
8979
                    for ( conv2 in converters ) {
8980
8981
                        // If conv2 outputs current
8982
                        tmp = conv2.split( " " );
8983
                        if ( tmp[ 1 ] === current ) {
8984
8985
                            // If prev can be converted to accepted input
8986
                            conv = converters[ prev + " " + tmp[ 0 ] ] ||
8987
                                converters[ "* " + tmp[ 0 ] ];
8988
                            if ( conv ) {
8989
8990
                                // Condense equivalence converters
8991
                                if ( conv === true ) {
8992
                                    conv = converters[ conv2 ];
8993
8994
                                // Otherwise, insert the intermediate dataType
8995
                                } else if ( converters[ conv2 ] !== true ) {
8996
                                    current = tmp[ 0 ];
8997
                                    dataTypes.unshift( tmp[ 1 ] );
8998
                                }
8999
                                break;
9000
                            }
9001
                        }
9002
                    }
9003
                }
9004
9005
                // Apply converter (if not an equivalence)
9006
                if ( conv !== true ) {
9007
9008
                    // Unless errors are allowed to bubble, catch and return them
9009
                    if ( conv && s.throws ) {
9010
                        response = conv( response );
9011
                    } else {
9012
                        try {
9013
                            response = conv( response );
9014
                        } catch ( e ) {
9015
                            return {
9016
                                state: "parsererror",
9017
                                error: conv ? e : "No conversion from " + prev + " to " + current
9018
                            };
9019
                        }
9020
                    }
9021
                }
9022
            }
9023
        }
9024
    }
9025
9026
    return { state: "success", data: response };
9027
}
9028
9029
jQuery.extend( {
9030
9031
    // Counter for holding the number of active queries
9032
    active: 0,
9033
9034
    // Last-Modified header cache for next request
9035
    lastModified: {},
9036
    etag: {},
9037
9038
    ajaxSettings: {
9039
        url: location.href,
9040
        type: "GET",
9041
        isLocal: rlocalProtocol.test( location.protocol ),
9042
        global: true,
9043
        processData: true,
9044
        async: true,
9045
        contentType: "application/x-www-form-urlencoded; charset=UTF-8",
9046
9047
        /*
9048
        timeout: 0,
9049
        data: null,
9050
        dataType: null,
9051
        username: null,
9052
        password: null,
9053
        cache: null,
9054
        throws: false,
9055
        traditional: false,
9056
        headers: {},
9057
        */
9058
9059
        accepts: {
9060
            "*": allTypes,
9061
            text: "text/plain",
9062
            html: "text/html",
9063
            xml: "application/xml, text/xml",
9064
            json: "application/json, text/javascript"
9065
        },
9066
9067
        contents: {
9068
            xml: /\bxml\b/,
9069
            html: /\bhtml/,
9070
            json: /\bjson\b/
9071
        },
9072
9073
        responseFields: {
9074
            xml: "responseXML",
9075
            text: "responseText",
9076
            json: "responseJSON"
9077
        },
9078
9079
        // Data converters
9080
        // Keys separate source (or catchall "*") and destination types with a single space
9081
        converters: {
9082
9083
            // Convert anything to text
9084
            "* text": String,
9085
9086
            // Text to html (true = no transformation)
9087
            "text html": true,
9088
9089
            // Evaluate text as a json expression
9090
            "text json": JSON.parse,
9091
9092
            // Parse text as xml
9093
            "text xml": jQuery.parseXML
9094
        },
9095
9096
        // For options that shouldn't be deep extended:
9097
        // you can add your own custom options here if
9098
        // and when you create one that shouldn't be
9099
        // deep extended (see ajaxExtend)
9100
        flatOptions: {
9101
            url: true,
9102
            context: true
9103
        }
9104
    },
9105
9106
    // Creates a full fledged settings object into target
9107
    // with both ajaxSettings and settings fields.
9108
    // If target is omitted, writes into ajaxSettings.
9109
    ajaxSetup: function( target, settings ) {
9110
        return settings ?
9111
9112
            // Building a settings object
9113
            ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
9114
9115
            // Extending ajaxSettings
9116
            ajaxExtend( jQuery.ajaxSettings, target );
9117
    },
9118
9119
    ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
9120
    ajaxTransport: addToPrefiltersOrTransports( transports ),
9121
9122
    // Main method
9123
    ajax: function( url, options ) {
9124
9125
        // If url is an object, simulate pre-1.5 signature
9126
        if ( typeof url === "object" ) {
9127
            options = url;
9128
            url = undefined;
9129
        }
9130
9131
        // Force options to be an object
9132
        options = options || {};
9133
9134
        var transport,
9135
9136
            // URL without anti-cache param
9137
            cacheURL,
9138
9139
            // Response headers
9140
            responseHeadersString,
9141
            responseHeaders,
9142
9143
            // timeout handle
9144
            timeoutTimer,
9145
9146
            // Url cleanup var
9147
            urlAnchor,
9148
9149
            // Request state (becomes false upon send and true upon completion)
9150
            completed,
9151
9152
            // To know if global events are to be dispatched
9153
            fireGlobals,
9154
9155
            // Loop variable
9156
            i,
9157
9158
            // uncached part of the url
9159
            uncached,
9160
9161
            // Create the final options object
9162
            s = jQuery.ajaxSetup( {}, options ),
9163
9164
            // Callbacks context
9165
            callbackContext = s.context || s,
9166
9167
            // Context for global events is callbackContext if it is a DOM node or jQuery collection
9168
            globalEventContext = s.context &&
9169
                ( callbackContext.nodeType || callbackContext.jquery ) ?
9170
                    jQuery( callbackContext ) :
9171
                    jQuery.event,
9172
9173
            // Deferreds
9174
            deferred = jQuery.Deferred(),
9175
            completeDeferred = jQuery.Callbacks( "once memory" ),
9176
9177
            // Status-dependent callbacks
9178
            statusCode = s.statusCode || {},
9179
9180
            // Headers (they are sent all at once)
9181
            requestHeaders = {},
9182
            requestHeadersNames = {},
9183
9184
            // Default abort message
9185
            strAbort = "canceled",
9186
9187
            // Fake xhr
9188
            jqXHR = {
9189
                readyState: 0,
9190
9191
                // Builds headers hashtable if needed
9192
                getResponseHeader: function( key ) {
9193
                    var match;
9194
                    if ( completed ) {
9195
                        if ( !responseHeaders ) {
9196
                            responseHeaders = {};
9197
                            while ( ( match = rheaders.exec( responseHeadersString ) ) ) {
9198
                                responseHeaders[ match[ 1 ].toLowerCase() + " " ] =
9199
                                    ( responseHeaders[ match[ 1 ].toLowerCase() + " " ] || [] )
9200
                                        .concat( match[ 2 ] );
9201
                            }
9202
                        }
9203
                        match = responseHeaders[ key.toLowerCase() + " " ];
9204
                    }
9205
                    return match == null ? null : match.join( ", " );
9206
                },
9207
9208
                // Raw string
9209
                getAllResponseHeaders: function() {
9210
                    return completed ? responseHeadersString : null;
9211
                },
9212
9213
                // Caches the header
9214
                setRequestHeader: function( name, value ) {
9215
                    if ( completed == null ) {
9216
                        name = requestHeadersNames[ name.toLowerCase() ] =
9217
                            requestHeadersNames[ name.toLowerCase() ] || name;
9218
                        requestHeaders[ name ] = value;
9219
                    }
9220
                    return this;
9221
                },
9222
9223
                // Overrides response content-type header
9224
                overrideMimeType: function( type ) {
9225
                    if ( completed == null ) {
9226
                        s.mimeType = type;
9227
                    }
9228
                    return this;
9229
                },
9230
9231
                // Status-dependent callbacks
9232
                statusCode: function( map ) {
9233
                    var code;
9234
                    if ( map ) {
9235
                        if ( completed ) {
9236
9237
                            // Execute the appropriate callbacks
9238
                            jqXHR.always( map[ jqXHR.status ] );
9239
                        } else {
9240
9241
                            // Lazy-add the new callbacks in a way that preserves old ones
9242
                            for ( code in map ) {
9243
                                statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
9244
                            }
9245
                        }
9246
                    }
9247
                    return this;
9248
                },
9249
9250
                // Cancel the request
9251
                abort: function( statusText ) {
9252
                    var finalText = statusText || strAbort;
9253
                    if ( transport ) {
9254
                        transport.abort( finalText );
9255
                    }
9256
                    done( 0, finalText );
9257
                    return this;
9258
                }
9259
            };
9260
9261
        // Attach deferreds
9262
        deferred.promise( jqXHR );
9263
9264
        // Add protocol if not provided (prefilters might expect it)
9265
        // Handle falsy url in the settings object (#10093: consistency with old signature)
9266
        // We also use the url parameter if available
9267
        s.url = ( ( url || s.url || location.href ) + "" )
9268
            .replace( rprotocol, location.protocol + "//" );
9269
9270
        // Alias method option to type as per ticket #12004
9271
        s.type = options.method || options.type || s.method || s.type;
9272
9273
        // Extract dataTypes list
9274
        s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnothtmlwhite ) || [ "" ];
9275
9276
        // A cross-domain request is in order when the origin doesn't match the current origin.
9277
        if ( s.crossDomain == null ) {
9278
            urlAnchor = document.createElement( "a" );
9279
9280
            // Support: IE <=8 - 11, Edge 12 - 15
9281
            // IE throws exception on accessing the href property if url is malformed,
9282
            // e.g. http://example.com:80x/
9283
            try {
9284
                urlAnchor.href = s.url;
9285
9286
                // Support: IE <=8 - 11 only
9287
                // Anchor's host property isn't correctly set when s.url is relative
9288
                urlAnchor.href = urlAnchor.href;
9289
                s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !==
9290
                    urlAnchor.protocol + "//" + urlAnchor.host;
9291
            } catch ( e ) {
9292
9293
                // If there is an error parsing the URL, assume it is crossDomain,
9294
                // it can be rejected by the transport if it is invalid
9295
                s.crossDomain = true;
9296
            }
9297
        }
9298
9299
        // Convert data if not already a string
9300
        if ( s.data && s.processData && typeof s.data !== "string" ) {
9301
            s.data = jQuery.param( s.data, s.traditional );
9302
        }
9303
9304
        // Apply prefilters
9305
        inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
9306
9307
        // If request was aborted inside a prefilter, stop there
9308
        if ( completed ) {
9309
            return jqXHR;
9310
        }
9311
9312
        // We can fire global events as of now if asked to
9313
        // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118)
9314
        fireGlobals = jQuery.event && s.global;
9315
9316
        // Watch for a new set of requests
9317
        if ( fireGlobals && jQuery.active++ === 0 ) {
9318
            jQuery.event.trigger( "ajaxStart" );
9319
        }
9320
9321
        // Uppercase the type
9322
        s.type = s.type.toUpperCase();
9323
9324
        // Determine if request has content
9325
        s.hasContent = !rnoContent.test( s.type );
9326
9327
        // Save the URL in case we're toying with the If-Modified-Since
9328
        // and/or If-None-Match header later on
9329
        // Remove hash to simplify url manipulation
9330
        cacheURL = s.url.replace( rhash, "" );
9331
9332
        // More options handling for requests with no content
9333
        if ( !s.hasContent ) {
9334
9335
            // Remember the hash so we can put it back
9336
            uncached = s.url.slice( cacheURL.length );
9337
9338
            // If data is available and should be processed, append data to url
9339
            if ( s.data && ( s.processData || typeof s.data === "string" ) ) {
9340
                cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data;
9341
9342
                // #9682: remove data so that it's not used in an eventual retry
9343
                delete s.data;
9344
            }
9345
9346
            // Add or update anti-cache param if needed
9347
            if ( s.cache === false ) {
9348
                cacheURL = cacheURL.replace( rantiCache, "$1" );
9349
                uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce++ ) + uncached;
9350
            }
9351
9352
            // Put hash and anti-cache on the URL that will be requested (gh-1732)
9353
            s.url = cacheURL + uncached;
9354
9355
        // Change '%20' to '+' if this is encoded form body content (gh-2658)
9356
        } else if ( s.data && s.processData &&
9357
            ( s.contentType || "" ).indexOf( "application/x-www-form-urlencoded" ) === 0 ) {
9358
            s.data = s.data.replace( r20, "+" );
9359
        }
9360
9361
        // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
9362
        if ( s.ifModified ) {
9363
            if ( jQuery.lastModified[ cacheURL ] ) {
9364
                jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
9365
            }
9366
            if ( jQuery.etag[ cacheURL ] ) {
9367
                jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
9368
            }
9369
        }
9370
9371
        // Set the correct header, if data is being sent
9372
        if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
9373
            jqXHR.setRequestHeader( "Content-Type", s.contentType );
9374
        }
9375
9376
        // Set the Accepts header for the server, depending on the dataType
9377
        jqXHR.setRequestHeader(
9378
            "Accept",
9379
            s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ?
9380
                s.accepts[ s.dataTypes[ 0 ] ] +
9381
                    ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
9382
                s.accepts[ "*" ]
9383
        );
9384
9385
        // Check for headers option
9386
        for ( i in s.headers ) {
9387
            jqXHR.setRequestHeader( i, s.headers[ i ] );
9388
        }
9389
9390
        // Allow custom headers/mimetypes and early abort
9391
        if ( s.beforeSend &&
9392
            ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || completed ) ) {
9393
9394
            // Abort if not done already and return
9395
            return jqXHR.abort();
9396
        }
9397
9398
        // Aborting is no longer a cancellation
9399
        strAbort = "abort";
9400
9401
        // Install callbacks on deferreds
9402
        completeDeferred.add( s.complete );
9403
        jqXHR.done( s.success );
9404
        jqXHR.fail( s.error );
9405
9406
        // Get transport
9407
        transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
9408
9409
        // If no transport, we auto-abort
9410
        if ( !transport ) {
9411
            done( -1, "No Transport" );
9412
        } else {
9413
            jqXHR.readyState = 1;
9414
9415
            // Send global event
9416
            if ( fireGlobals ) {
9417
                globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
9418
            }
9419
9420
            // If request was aborted inside ajaxSend, stop there
9421
            if ( completed ) {
9422
                return jqXHR;
9423
            }
9424
9425
            // Timeout
9426
            if ( s.async && s.timeout > 0 ) {
9427
                timeoutTimer = window.setTimeout( function() {
9428
                    jqXHR.abort( "timeout" );
9429
                }, s.timeout );
9430
            }
9431
9432
            try {
9433
                completed = false;
9434
                transport.send( requestHeaders, done );
9435
            } catch ( e ) {
9436
9437
                // Rethrow post-completion exceptions
9438
                if ( completed ) {
9439
                    throw e;
9440
                }
9441
9442
                // Propagate others as results
9443
                done( -1, e );
9444
            }
9445
        }
9446
9447
        // Callback for when everything is done
9448
        function done( status, nativeStatusText, responses, headers ) {
9449
            var isSuccess, success, error, response, modified,
9450
                statusText = nativeStatusText;
9451
9452
            // Ignore repeat invocations
9453
            if ( completed ) {
9454
                return;
9455
            }
9456
9457
            completed = true;
9458
9459
            // Clear timeout if it exists
9460
            if ( timeoutTimer ) {
9461
                window.clearTimeout( timeoutTimer );
9462
            }
9463
9464
            // Dereference transport for early garbage collection
9465
            // (no matter how long the jqXHR object will be used)
9466
            transport = undefined;
9467
9468
            // Cache response headers
9469
            responseHeadersString = headers || "";
9470
9471
            // Set readyState
9472
            jqXHR.readyState = status > 0 ? 4 : 0;
9473
9474
            // Determine if successful
9475
            isSuccess = status >= 200 && status < 300 || status === 304;
9476
9477
            // Get response data
9478
            if ( responses ) {
9479
                response = ajaxHandleResponses( s, jqXHR, responses );
9480
            }
9481
9482
            // Convert no matter what (that way responseXXX fields are always set)
9483
            response = ajaxConvert( s, response, jqXHR, isSuccess );
9484
9485
            // If successful, handle type chaining
9486
            if ( isSuccess ) {
9487
9488
                // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
9489
                if ( s.ifModified ) {
9490
                    modified = jqXHR.getResponseHeader( "Last-Modified" );
9491
                    if ( modified ) {
9492
                        jQuery.lastModified[ cacheURL ] = modified;
9493
                    }
9494
                    modified = jqXHR.getResponseHeader( "etag" );
9495
                    if ( modified ) {
9496
                        jQuery.etag[ cacheURL ] = modified;
9497
                    }
9498
                }
9499
9500
                // if no content
9501
                if ( status === 204 || s.type === "HEAD" ) {
9502
                    statusText = "nocontent";
9503
9504
                // if not modified
9505
                } else if ( status === 304 ) {
9506
                    statusText = "notmodified";
9507
9508
                // If we have data, let's convert it
9509
                } else {
9510
                    statusText = response.state;
9511
                    success = response.data;
9512
                    error = response.error;
9513
                    isSuccess = !error;
9514
                }
9515
            } else {
9516
9517
                // Extract error from statusText and normalize for non-aborts
9518
                error = statusText;
9519
                if ( status || !statusText ) {
9520
                    statusText = "error";
9521
                    if ( status < 0 ) {
9522
                        status = 0;
9523
                    }
9524
                }
9525
            }
9526
9527
            // Set data for the fake xhr object
9528
            jqXHR.status = status;
9529
            jqXHR.statusText = ( nativeStatusText || statusText ) + "";
9530
9531
            // Success/Error
9532
            if ( isSuccess ) {
9533
                deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
9534
            } else {
9535
                deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
9536
            }
9537
9538
            // Status-dependent callbacks
9539
            jqXHR.statusCode( statusCode );
9540
            statusCode = undefined;
9541
9542
            if ( fireGlobals ) {
9543
                globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
9544
                    [ jqXHR, s, isSuccess ? success : error ] );
9545
            }
9546
9547
            // Complete
9548
            completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
9549
9550
            if ( fireGlobals ) {
9551
                globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
9552
9553
                // Handle the global AJAX counter
9554
                if ( !( --jQuery.active ) ) {
9555
                    jQuery.event.trigger( "ajaxStop" );
9556
                }
9557
            }
9558
        }
9559
9560
        return jqXHR;
9561
    },
9562
9563
    getJSON: function( url, data, callback ) {
9564
        return jQuery.get( url, data, callback, "json" );
9565
    },
9566
9567
    getScript: function( url, callback ) {
9568
        return jQuery.get( url, undefined, callback, "script" );
9569
    }
9570
} );
9571
9572
jQuery.each( [ "get", "post" ], function( i, method ) {
9573
    jQuery[ method ] = function( url, data, callback, type ) {
9574
9575
        // Shift arguments if data argument was omitted
9576
        if ( isFunction( data ) ) {
9577
            type = type || callback;
9578
            callback = data;
9579
            data = undefined;
9580
        }
9581
9582
        // The url can be an options object (which then must have .url)
9583
        return jQuery.ajax( jQuery.extend( {
9584
            url: url,
9585
            type: method,
9586
            dataType: type,
9587
            data: data,
9588
            success: callback
9589
        }, jQuery.isPlainObject( url ) && url ) );
9590
    };
9591
} );
9592
9593
9594
jQuery._evalUrl = function( url, options ) {
9595
    return jQuery.ajax( {
9596
        url: url,
9597
9598
        // Make this explicit, since user can override this through ajaxSetup (#11264)
9599
        type: "GET",
9600
        dataType: "script",
9601
        cache: true,
9602
        async: false,
9603
        global: false,
9604
9605
        // Only evaluate the response if it is successful (gh-4126)
9606
        // dataFilter is not invoked for failure responses, so using it instead
9607
        // of the default converter is kludgy but it works.
9608
        converters: {
9609
            "text script": function() {}
9610
        },
9611
        dataFilter: function( response ) {
9612
            jQuery.globalEval( response, options );
9613
        }
9614
    } );
9615
};
9616
9617
9618
jQuery.fn.extend( {
9619
    wrapAll: function( html ) {
9620
        var wrap;
9621
9622
        if ( this[ 0 ] ) {
9623
            if ( isFunction( html ) ) {
9624
                html = html.call( this[ 0 ] );
9625
            }
9626
9627
            // The elements to wrap the target around
9628
            wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
9629
9630
            if ( this[ 0 ].parentNode ) {
9631
                wrap.insertBefore( this[ 0 ] );
9632
            }
9633
9634
            wrap.map( function() {
9635
                var elem = this;
9636
9637
                while ( elem.firstElementChild ) {
9638
                    elem = elem.firstElementChild;
9639
                }
9640
9641
                return elem;
9642
            } ).append( this );
9643
        }
9644
9645
        return this;
9646
    },
9647
9648
    wrapInner: function( html ) {
9649
        if ( isFunction( html ) ) {
9650
            return this.each( function( i ) {
9651
                jQuery( this ).wrapInner( html.call( this, i ) );
9652
            } );
9653
        }
9654
9655
        return this.each( function() {
9656
            var self = jQuery( this ),
9657
                contents = self.contents();
9658
9659
            if ( contents.length ) {
9660
                contents.wrapAll( html );
9661
9662
            } else {
9663
                self.append( html );
9664
            }
9665
        } );
9666
    },
9667
9668
    wrap: function( html ) {
9669
        var htmlIsFunction = isFunction( html );
9670
9671
        return this.each( function( i ) {
9672
            jQuery( this ).wrapAll( htmlIsFunction ? html.call( this, i ) : html );
9673
        } );
9674
    },
9675
9676
    unwrap: function( selector ) {
9677
        this.parent( selector ).not( "body" ).each( function() {
9678
            jQuery( this ).replaceWith( this.childNodes );
9679
        } );
9680
        return this;
9681
    }
9682
} );
9683
9684
9685
jQuery.expr.pseudos.hidden = function( elem ) {
9686
    return !jQuery.expr.pseudos.visible( elem );
9687
};
9688
jQuery.expr.pseudos.visible = function( elem ) {
9689
    return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length );
9690
};
9691
9692
9693
9694
9695
jQuery.ajaxSettings.xhr = function() {
9696
    try {
9697
        return new window.XMLHttpRequest();
9698
    } catch ( e ) {}
9699
};
9700
9701
var xhrSuccessStatus = {
9702
9703
        // File protocol always yields status code 0, assume 200
9704
        0: 200,
9705
9706
        // Support: IE <=9 only
9707
        // #1450: sometimes IE returns 1223 when it should be 204
9708
        1223: 204
9709
    },
9710
    xhrSupported = jQuery.ajaxSettings.xhr();
9711
9712
support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
9713
support.ajax = xhrSupported = !!xhrSupported;
9714
9715
jQuery.ajaxTransport( function( options ) {
9716
    var callback, errorCallback;
9717
9718
    // Cross domain only allowed if supported through XMLHttpRequest
9719
    if ( support.cors || xhrSupported && !options.crossDomain ) {
9720
        return {
9721
            send: function( headers, complete ) {
9722
                var i,
9723
                    xhr = options.xhr();
9724
9725
                xhr.open(
9726
                    options.type,
9727
                    options.url,
9728
                    options.async,
9729
                    options.username,
9730
                    options.password
9731
                );
9732
9733
                // Apply custom fields if provided
9734
                if ( options.xhrFields ) {
9735
                    for ( i in options.xhrFields ) {
9736
                        xhr[ i ] = options.xhrFields[ i ];
9737
                    }
9738
                }
9739
9740
                // Override mime type if needed
9741
                if ( options.mimeType && xhr.overrideMimeType ) {
9742
                    xhr.overrideMimeType( options.mimeType );
9743
                }
9744
9745
                // X-Requested-With header
9746
                // For cross-domain requests, seeing as conditions for a preflight are
9747
                // akin to a jigsaw puzzle, we simply never set it to be sure.
9748
                // (it can always be set on a per-request basis or even using ajaxSetup)
9749
                // For same-domain requests, won't change header if already provided.
9750
                if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) {
9751
                    headers[ "X-Requested-With" ] = "XMLHttpRequest";
9752
                }
9753
9754
                // Set headers
9755
                for ( i in headers ) {
9756
                    xhr.setRequestHeader( i, headers[ i ] );
9757
                }
9758
9759
                // Callback
9760
                callback = function( type ) {
9761
                    return function() {
9762
                        if ( callback ) {
9763
                            callback = errorCallback = xhr.onload =
9764
                                xhr.onerror = xhr.onabort = xhr.ontimeout =
9765
                                    xhr.onreadystatechange = null;
9766
9767
                            if ( type === "abort" ) {
9768
                                xhr.abort();
9769
                            } else if ( type === "error" ) {
9770
9771
                                // Support: IE <=9 only
9772
                                // On a manual native abort, IE9 throws
9773
                                // errors on any property access that is not readyState
9774
                                if ( typeof xhr.status !== "number" ) {
9775
                                    complete( 0, "error" );
9776
                                } else {
9777
                                    complete(
9778
9779
                                        // File: protocol always yields status 0; see #8605, #14207
9780
                                        xhr.status,
9781
                                        xhr.statusText
9782
                                    );
9783
                                }
9784
                            } else {
9785
                                complete(
9786
                                    xhrSuccessStatus[ xhr.status ] || xhr.status,
9787
                                    xhr.statusText,
9788
9789
                                    // Support: IE <=9 only
9790
                                    // IE9 has no XHR2 but throws on binary (trac-11426)
9791
                                    // For XHR2 non-text, let the caller handle it (gh-2498)
9792
                                    ( xhr.responseType || "text" ) !== "text"  ||
9793
                                    typeof xhr.responseText !== "string" ?
9794
                                        { binary: xhr.response } :
9795
                                        { text: xhr.responseText },
9796
                                    xhr.getAllResponseHeaders()
9797
                                );
9798
                            }
9799
                        }
9800
                    };
9801
                };
9802
9803
                // Listen to events
9804
                xhr.onload = callback();
9805
                errorCallback = xhr.onerror = xhr.ontimeout = callback( "error" );
9806
9807
                // Support: IE 9 only
9808
                // Use onreadystatechange to replace onabort
9809
                // to handle uncaught aborts
9810
                if ( xhr.onabort !== undefined ) {
9811
                    xhr.onabort = errorCallback;
9812
                } else {
9813
                    xhr.onreadystatechange = function() {
9814
9815
                        // Check readyState before timeout as it changes
9816
                        if ( xhr.readyState === 4 ) {
9817
9818
                            // Allow onerror to be called first,
9819
                            // but that will not handle a native abort
9820
                            // Also, save errorCallback to a variable
9821
                            // as xhr.onerror cannot be accessed
9822
                            window.setTimeout( function() {
9823
                                if ( callback ) {
9824
                                    errorCallback();
9825
                                }
9826
                            } );
9827
                        }
9828
                    };
9829
                }
9830
9831
                // Create the abort callback
9832
                callback = callback( "abort" );
9833
9834
                try {
9835
9836
                    // Do send the request (this may raise an exception)
9837
                    xhr.send( options.hasContent && options.data || null );
9838
                } catch ( e ) {
9839
9840
                    // #14683: Only rethrow if this hasn't been notified as an error yet
9841
                    if ( callback ) {
9842
                        throw e;
9843
                    }
9844
                }
9845
            },
9846
9847
            abort: function() {
9848
                if ( callback ) {
9849
                    callback();
9850
                }
9851
            }
9852
        };
9853
    }
9854
} );
9855
9856
9857
9858
9859
// Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432)
9860
jQuery.ajaxPrefilter( function( s ) {
9861
    if ( s.crossDomain ) {
9862
        s.contents.script = false;
9863
    }
9864
} );
9865
9866
// Install script dataType
9867
jQuery.ajaxSetup( {
9868
    accepts: {
9869
        script: "text/javascript, application/javascript, " +
9870
            "application/ecmascript, application/x-ecmascript"
9871
    },
9872
    contents: {
9873
        script: /\b(?:java|ecma)script\b/
9874
    },
9875
    converters: {
9876
        "text script": function( text ) {
9877
            jQuery.globalEval( text );
9878
            return text;
9879
        }
9880
    }
9881
} );
9882
9883
// Handle cache's special case and crossDomain
9884
jQuery.ajaxPrefilter( "script", function( s ) {
9885
    if ( s.cache === undefined ) {
9886
        s.cache = false;
9887
    }
9888
    if ( s.crossDomain ) {
9889
        s.type = "GET";
9890
    }
9891
} );
9892
9893
// Bind script tag hack transport
9894
jQuery.ajaxTransport( "script", function( s ) {
9895
9896
    // This transport only deals with cross domain or forced-by-attrs requests
9897
    if ( s.crossDomain || s.scriptAttrs ) {
9898
        var script, callback;
9899
        return {
9900
            send: function( _, complete ) {
9901
                script = jQuery( "<script>" )
9902
                    .attr( s.scriptAttrs || {} )
9903
                    .prop( { charset: s.scriptCharset, src: s.url } )
9904
                    .on( "load error", callback = function( evt ) {
9905
                        script.remove();
9906
                        callback = null;
9907
                        if ( evt ) {
9908
                            complete( evt.type === "error" ? 404 : 200, evt.type );
9909
                        }
9910
                    } );
9911
9912
                // Use native DOM manipulation to avoid our domManip AJAX trickery
9913
                document.head.appendChild( script[ 0 ] );
9914
            },
9915
            abort: function() {
9916
                if ( callback ) {
9917
                    callback();
9918
                }
9919
            }
9920
        };
9921
    }
9922
} );
9923
9924
9925
9926
9927
var oldCallbacks = [],
9928
    rjsonp = /(=)\?(?=&|$)|\?\?/;
9929
9930
// Default jsonp settings
9931
jQuery.ajaxSetup( {
9932
    jsonp: "callback",
9933
    jsonpCallback: function() {
9934
        var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) );
9935
        this[ callback ] = true;
9936
        return callback;
9937
    }
9938
} );
9939
9940
// Detect, normalize options and install callbacks for jsonp requests
9941
jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
9942
9943
    var callbackName, overwritten, responseContainer,
9944
        jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
9945
            "url" :
9946
            typeof s.data === "string" &&
9947
                ( s.contentType || "" )
9948
                    .indexOf( "application/x-www-form-urlencoded" ) === 0 &&
9949
                rjsonp.test( s.data ) && "data"
9950
        );
9951
9952
    // Handle iff the expected data type is "jsonp" or we have a parameter to set
9953
    if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
9954
9955
        // Get callback name, remembering preexisting value associated with it
9956
        callbackName = s.jsonpCallback = isFunction( s.jsonpCallback ) ?
9957
            s.jsonpCallback() :
9958
            s.jsonpCallback;
9959
9960
        // Insert callback into url or form data
9961
        if ( jsonProp ) {
9962
            s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
9963
        } else if ( s.jsonp !== false ) {
9964
            s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
9965
        }
9966
9967
        // Use data converter to retrieve json after script execution
9968
        s.converters[ "script json" ] = function() {
9969
            if ( !responseContainer ) {
9970
                jQuery.error( callbackName + " was not called" );
9971
            }
9972
            return responseContainer[ 0 ];
9973
        };
9974
9975
        // Force json dataType
9976
        s.dataTypes[ 0 ] = "json";
9977
9978
        // Install callback
9979
        overwritten = window[ callbackName ];
9980
        window[ callbackName ] = function() {
9981
            responseContainer = arguments;
9982
        };
9983
9984
        // Clean-up function (fires after converters)
9985
        jqXHR.always( function() {
9986
9987
            // If previous value didn't exist - remove it
9988
            if ( overwritten === undefined ) {
9989
                jQuery( window ).removeProp( callbackName );
9990
9991
            // Otherwise restore preexisting value
9992
            } else {
9993
                window[ callbackName ] = overwritten;
9994
            }
9995
9996
            // Save back as free
9997
            if ( s[ callbackName ] ) {
9998
9999
                // Make sure that re-using the options doesn't screw things around
10000
                s.jsonpCallback = originalSettings.jsonpCallback;
10001
10002
                // Save the callback name for future use
10003
                oldCallbacks.push( callbackName );
10004
            }
10005
10006
            // Call if it was a function and we have a response
10007
            if ( responseContainer && isFunction( overwritten ) ) {
10008
                overwritten( responseContainer[ 0 ] );
10009
            }
10010
10011
            responseContainer = overwritten = undefined;
10012
        } );
10013
10014
        // Delegate to script
10015
        return "script";
10016
    }
10017
} );
10018
10019
10020
10021
10022
// Support: Safari 8 only
10023
// In Safari 8 documents created via document.implementation.createHTMLDocument
10024
// collapse sibling forms: the second one becomes a child of the first one.
10025
// Because of that, this security measure has to be disabled in Safari 8.
10026
// https://bugs.webkit.org/show_bug.cgi?id=137337
10027
support.createHTMLDocument = ( function() {
10028
    var body = document.implementation.createHTMLDocument( "" ).body;
10029
    body.innerHTML = "<form></form><form></form>";
10030
    return body.childNodes.length === 2;
10031
} )();
10032
10033
10034
// Argument "data" should be string of html
10035
// context (optional): If specified, the fragment will be created in this context,
10036
// defaults to document
10037
// keepScripts (optional): If true, will include scripts passed in the html string
10038
jQuery.parseHTML = function( data, context, keepScripts ) {
10039
    if ( typeof data !== "string" ) {
10040
        return [];
10041
    }
10042
    if ( typeof context === "boolean" ) {
10043
        keepScripts = context;
10044
        context = false;
10045
    }
10046
10047
    var base, parsed, scripts;
10048
10049
    if ( !context ) {
10050
10051
        // Stop scripts or inline event handlers from being executed immediately
10052
        // by using document.implementation
10053
        if ( support.createHTMLDocument ) {
10054
            context = document.implementation.createHTMLDocument( "" );
10055
10056
            // Set the base href for the created document
10057
            // so any parsed elements with URLs
10058
            // are based on the document's URL (gh-2965)
10059
            base = context.createElement( "base" );
10060
            base.href = document.location.href;
10061
            context.head.appendChild( base );
10062
        } else {
10063
            context = document;
10064
        }
10065
    }
10066
10067
    parsed = rsingleTag.exec( data );
10068
    scripts = !keepScripts && [];
10069
10070
    // Single tag
10071
    if ( parsed ) {
10072
        return [ context.createElement( parsed[ 1 ] ) ];
10073
    }
10074
10075
    parsed = buildFragment( [ data ], context, scripts );
10076
10077
    if ( scripts && scripts.length ) {
10078
        jQuery( scripts ).remove();
10079
    }
10080
10081
    return jQuery.merge( [], parsed.childNodes );
10082
};
10083
10084
10085
/**
10086
 * Load a url into a page
10087
 */
10088
jQuery.fn.load = function( url, params, callback ) {
10089
    var selector, type, response,
10090
        self = this,
10091
        off = url.indexOf( " " );
10092
10093
    if ( off > -1 ) {
10094
        selector = stripAndCollapse( url.slice( off ) );
10095
        url = url.slice( 0, off );
10096
    }
10097
10098
    // If it's a function
10099
    if ( isFunction( params ) ) {
10100
10101
        // We assume that it's the callback
10102
        callback = params;
10103
        params = undefined;
10104
10105
    // Otherwise, build a param string
10106
    } else if ( params && typeof params === "object" ) {
10107
        type = "POST";
10108
    }
10109
10110
    // If we have elements to modify, make the request
10111
    if ( self.length > 0 ) {
10112
        jQuery.ajax( {
10113
            url: url,
10114
10115
            // If "type" variable is undefined, then "GET" method will be used.
10116
            // Make value of this field explicit since
10117
            // user can override it through ajaxSetup method
10118
            type: type || "GET",
10119
            dataType: "html",
10120
            data: params
10121
        } ).done( function( responseText ) {
10122
10123
            // Save response for use in complete callback
10124
            response = arguments;
10125
10126
            self.html( selector ?
10127
10128
                // If a selector was specified, locate the right elements in a dummy div
10129
                // Exclude scripts to avoid IE 'Permission Denied' errors
10130
                jQuery( "<div>" ).append( jQuery.parseHTML( responseText ) ).find( selector ) :
10131
10132
                // Otherwise use the full result
10133
                responseText );
10134
10135
        // If the request succeeds, this function gets "data", "status", "jqXHR"
10136
        // but they are ignored because response was set above.
10137
        // If it fails, this function gets "jqXHR", "status", "error"
10138
        } ).always( callback && function( jqXHR, status ) {
10139
            self.each( function() {
10140
                callback.apply( this, response || [ jqXHR.responseText, status, jqXHR ] );
10141
            } );
10142
        } );
10143
    }
10144
10145
    return this;
10146
};
10147
10148
10149
10150
10151
// Attach a bunch of functions for handling common AJAX events
10152
jQuery.each( [
10153
    "ajaxStart",
10154
    "ajaxStop",
10155
    "ajaxComplete",
10156
    "ajaxError",
10157
    "ajaxSuccess",
10158
    "ajaxSend"
10159
], function( i, type ) {
10160
    jQuery.fn[ type ] = function( fn ) {
10161
        return this.on( type, fn );
10162
    };
10163
} );
10164
10165
10166
10167
10168
jQuery.expr.pseudos.animated = function( elem ) {
10169
    return jQuery.grep( jQuery.timers, function( fn ) {
10170
        return elem === fn.elem;
10171
    } ).length;
10172
};
10173
10174
10175
10176
10177
jQuery.offset = {
10178
    setOffset: function( elem, options, i ) {
10179
        var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
10180
            position = jQuery.css( elem, "position" ),
10181
            curElem = jQuery( elem ),
10182
            props = {};
10183
10184
        // Set position first, in-case top/left are set even on static elem
10185
        if ( position === "static" ) {
10186
            elem.style.position = "relative";
10187
        }
10188
10189
        curOffset = curElem.offset();
10190
        curCSSTop = jQuery.css( elem, "top" );
10191
        curCSSLeft = jQuery.css( elem, "left" );
10192
        calculatePosition = ( position === "absolute" || position === "fixed" ) &&
10193
            ( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1;
10194
10195
        // Need to be able to calculate position if either
10196
        // top or left is auto and position is either absolute or fixed
10197
        if ( calculatePosition ) {
10198
            curPosition = curElem.position();
10199
            curTop = curPosition.top;
10200
            curLeft = curPosition.left;
10201
10202
        } else {
10203
            curTop = parseFloat( curCSSTop ) || 0;
10204
            curLeft = parseFloat( curCSSLeft ) || 0;
10205
        }
10206
10207
        if ( isFunction( options ) ) {
10208
10209
            // Use jQuery.extend here to allow modification of coordinates argument (gh-1848)
10210
            options = options.call( elem, i, jQuery.extend( {}, curOffset ) );
10211
        }
10212
10213
        if ( options.top != null ) {
10214
            props.top = ( options.top - curOffset.top ) + curTop;
10215
        }
10216
        if ( options.left != null ) {
10217
            props.left = ( options.left - curOffset.left ) + curLeft;
10218
        }
10219
10220
        if ( "using" in options ) {
10221
            options.using.call( elem, props );
10222
10223
        } else {
10224
            curElem.css( props );
10225
        }
10226
    }
10227
};
10228
10229
jQuery.fn.extend( {
10230
10231
    // offset() relates an element's border box to the document origin
10232
    offset: function( options ) {
10233
10234
        // Preserve chaining for setter
10235
        if ( arguments.length ) {
10236
            return options === undefined ?
10237
                this :
10238
                this.each( function( i ) {
10239
                    jQuery.offset.setOffset( this, options, i );
10240
                } );
10241
        }
10242
10243
        var rect, win,
10244
            elem = this[ 0 ];
10245
10246
        if ( !elem ) {
10247
            return;
10248
        }
10249
10250
        // Return zeros for disconnected and hidden (display: none) elements (gh-2310)
10251
        // Support: IE <=11 only
10252
        // Running getBoundingClientRect on a
10253
        // disconnected node in IE throws an error
10254
        if ( !elem.getClientRects().length ) {
10255
            return { top: 0, left: 0 };
10256
        }
10257
10258
        // Get document-relative position by adding viewport scroll to viewport-relative gBCR
10259
        rect = elem.getBoundingClientRect();
10260
        win = elem.ownerDocument.defaultView;
10261
        return {
10262
            top: rect.top + win.pageYOffset,
10263
            left: rect.left + win.pageXOffset
10264
        };
10265
    },
10266
10267
    // position() relates an element's margin box to its offset parent's padding box
10268
    // This corresponds to the behavior of CSS absolute positioning
10269
    position: function() {
10270
        if ( !this[ 0 ] ) {
10271
            return;
10272
        }
10273
10274
        var offsetParent, offset, doc,
10275
            elem = this[ 0 ],
10276
            parentOffset = { top: 0, left: 0 };
10277
10278
        // position:fixed elements are offset from the viewport, which itself always has zero offset
10279
        if ( jQuery.css( elem, "position" ) === "fixed" ) {
10280
10281
            // Assume position:fixed implies availability of getBoundingClientRect
10282
            offset = elem.getBoundingClientRect();
10283
10284
        } else {
10285
            offset = this.offset();
10286
10287
            // Account for the *real* offset parent, which can be the document or its root element
10288
            // when a statically positioned element is identified
10289
            doc = elem.ownerDocument;
10290
            offsetParent = elem.offsetParent || doc.documentElement;
10291
            while ( offsetParent &&
10292
                ( offsetParent === doc.body || offsetParent === doc.documentElement ) &&
10293
                jQuery.css( offsetParent, "position" ) === "static" ) {
10294
10295
                offsetParent = offsetParent.parentNode;
10296
            }
10297
            if ( offsetParent && offsetParent !== elem && offsetParent.nodeType === 1 ) {
10298
10299
                // Incorporate borders into its offset, since they are outside its content origin
10300
                parentOffset = jQuery( offsetParent ).offset();
10301
                parentOffset.top += jQuery.css( offsetParent, "borderTopWidth", true );
10302
                parentOffset.left += jQuery.css( offsetParent, "borderLeftWidth", true );
10303
            }
10304
        }
10305
10306
        // Subtract parent offsets and element margins
10307
        return {
10308
            top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ),
10309
            left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true )
10310
        };
10311
    },
10312
10313
    // This method will return documentElement in the following cases:
10314
    // 1) For the element inside the iframe without offsetParent, this method will return
10315
    //    documentElement of the parent window
10316
    // 2) For the hidden or detached element
10317
    // 3) For body or html element, i.e. in case of the html node - it will return itself
10318
    //
10319
    // but those exceptions were never presented as a real life use-cases
10320
    // and might be considered as more preferable results.
10321
    //
10322
    // This logic, however, is not guaranteed and can change at any point in the future
10323
    offsetParent: function() {
10324
        return this.map( function() {
10325
            var offsetParent = this.offsetParent;
10326
10327
            while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) {
10328
                offsetParent = offsetParent.offsetParent;
10329
            }
10330
10331
            return offsetParent || documentElement;
10332
        } );
10333
    }
10334
} );
10335
10336
// Create scrollLeft and scrollTop methods
10337
jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
10338
    var top = "pageYOffset" === prop;
10339
10340
    jQuery.fn[ method ] = function( val ) {
10341
        return access( this, function( elem, method, val ) {
10342
10343
            // Coalesce documents and windows
10344
            var win;
10345
            if ( isWindow( elem ) ) {
10346
                win = elem;
10347
            } else if ( elem.nodeType === 9 ) {
10348
                win = elem.defaultView;
10349
            }
10350
10351
            if ( val === undefined ) {
10352
                return win ? win[ prop ] : elem[ method ];
10353
            }
10354
10355
            if ( win ) {
10356
                win.scrollTo(
10357
                    !top ? val : win.pageXOffset,
10358
                    top ? val : win.pageYOffset
10359
                );
10360
10361
            } else {
10362
                elem[ method ] = val;
10363
            }
10364
        }, method, val, arguments.length );
10365
    };
10366
} );
10367
10368
// Support: Safari <=7 - 9.1, Chrome <=37 - 49
10369
// Add the top/left cssHooks using jQuery.fn.position
10370
// Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
10371
// Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347
10372
// getComputedStyle returns percent when specified for top/left/bottom/right;
10373
// rather than make the css module depend on the offset module, just check for it here
10374
jQuery.each( [ "top", "left" ], function( i, prop ) {
10375
    jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
10376
        function( elem, computed ) {
10377
            if ( computed ) {
10378
                computed = curCSS( elem, prop );
10379
10380
                // If curCSS returns percentage, fallback to offset
10381
                return rnumnonpx.test( computed ) ?
10382
                    jQuery( elem ).position()[ prop ] + "px" :
10383
                    computed;
10384
            }
10385
        }
10386
    );
10387
} );
10388
10389
10390
// Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
10391
jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
10392
    jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name },
10393
        function( defaultExtra, funcName ) {
10394
10395
        // Margin is only for outerHeight, outerWidth
10396
        jQuery.fn[ funcName ] = function( margin, value ) {
10397
            var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
10398
                extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
10399
10400
            return access( this, function( elem, type, value ) {
10401
                var doc;
10402
10403
                if ( isWindow( elem ) ) {
10404
10405
                    // $( window ).outerWidth/Height return w/h including scrollbars (gh-1729)
10406
                    return funcName.indexOf( "outer" ) === 0 ?
10407
                        elem[ "inner" + name ] :
10408
                        elem.document.documentElement[ "client" + name ];
10409
                }
10410
10411
                // Get document width or height
10412
                if ( elem.nodeType === 9 ) {
10413
                    doc = elem.documentElement;
10414
10415
                    // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
10416
                    // whichever is greatest
10417
                    return Math.max(
10418
                        elem.body[ "scroll" + name ], doc[ "scroll" + name ],
10419
                        elem.body[ "offset" + name ], doc[ "offset" + name ],
10420
                        doc[ "client" + name ]
10421
                    );
10422
                }
10423
10424
                return value === undefined ?
10425
10426
                    // Get width or height on the element, requesting but not forcing parseFloat
10427
                    jQuery.css( elem, type, extra ) :
10428
10429
                    // Set width or height on the element
10430
                    jQuery.style( elem, type, value, extra );
10431
            }, type, chainable ? margin : undefined, chainable );
10432
        };
10433
    } );
10434
} );
10435
10436
10437
jQuery.each( ( "blur focus focusin focusout resize scroll click dblclick " +
10438
    "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
10439
    "change select submit keydown keypress keyup contextmenu" ).split( " " ),
10440
    function( i, name ) {
10441
10442
    // Handle event binding
10443
    jQuery.fn[ name ] = function( data, fn ) {
10444
        return arguments.length > 0 ?
10445
            this.on( name, null, data, fn ) :
10446
            this.trigger( name );
10447
    };
10448
} );
10449
10450
jQuery.fn.extend( {
10451
    hover: function( fnOver, fnOut ) {
10452
        return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
10453
    }
10454
} );
10455
10456
10457
10458
10459
jQuery.fn.extend( {
10460
10461
    bind: function( types, data, fn ) {
10462
        return this.on( types, null, data, fn );
10463
    },
10464
    unbind: function( types, fn ) {
10465
        return this.off( types, null, fn );
10466
    },
10467
10468
    delegate: function( selector, types, data, fn ) {
10469
        return this.on( types, selector, data, fn );
10470
    },
10471
    undelegate: function( selector, types, fn ) {
10472
10473
        // ( namespace ) or ( selector, types [, fn] )
10474
        return arguments.length === 1 ?
10475
            this.off( selector, "**" ) :
10476
            this.off( types, selector || "**", fn );
10477
    }
10478
} );
10479
10480
// Bind a function to a context, optionally partially applying any
10481
// arguments.
10482
// jQuery.proxy is deprecated to promote standards (specifically Function#bind)
10483
// However, it is not slated for removal any time soon
10484
jQuery.proxy = function( fn, context ) {
10485
    var tmp, args, proxy;
10486
10487
    if ( typeof context === "string" ) {
10488
        tmp = fn[ context ];
10489
        context = fn;
10490
        fn = tmp;
10491
    }
10492
10493
    // Quick check to determine if target is callable, in the spec
10494
    // this throws a TypeError, but we will just return undefined.
10495
    if ( !isFunction( fn ) ) {
10496
        return undefined;
10497
    }
10498
10499
    // Simulated bind
10500
    args = slice.call( arguments, 2 );
10501
    proxy = function() {
10502
        return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
10503
    };
10504
10505
    // Set the guid of unique handler to the same of original handler, so it can be removed
10506
    proxy.guid = fn.guid = fn.guid || jQuery.guid++;
10507
10508
    return proxy;
10509
};
10510
10511
jQuery.holdReady = function( hold ) {
10512
    if ( hold ) {
10513
        jQuery.readyWait++;
10514
    } else {
10515
        jQuery.ready( true );
10516
    }
10517
};
10518
jQuery.isArray = Array.isArray;
10519
jQuery.parseJSON = JSON.parse;
10520
jQuery.nodeName = nodeName;
10521
jQuery.isFunction = isFunction;
10522
jQuery.isWindow = isWindow;
10523
jQuery.camelCase = camelCase;
10524
jQuery.type = toType;
10525
10526
jQuery.now = Date.now;
10527
10528
jQuery.isNumeric = function( obj ) {
10529
10530
    // As of jQuery 3.0, isNumeric is limited to
10531
    // strings and numbers (primitives or objects)
10532
    // that can be coerced to finite numbers (gh-2662)
10533
    var type = jQuery.type( obj );
10534
    return ( type === "number" || type === "string" ) &&
10535
10536
        // parseFloat NaNs numeric-cast false positives ("")
10537
        // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
10538
        // subtraction forces infinities to NaN
10539
        !isNaN( obj - parseFloat( obj ) );
10540
};
10541
10542
10543
10544
10545
// Register as a named AMD module, since jQuery can be concatenated with other
10546
// files that may use define, but not via a proper concatenation script that
10547
// understands anonymous AMD modules. A named AMD is safest and most robust
10548
// way to register. Lowercase jquery is used because AMD module names are
10549
// derived from file names, and jQuery is normally delivered in a lowercase
10550
// file name. Do this after creating the global so that if an AMD module wants
10551
// to call noConflict to hide this version of jQuery, it will work.
10552
10553
// Note that for maximum portability, libraries that are not jQuery should
10554
// declare themselves as anonymous modules, and avoid setting a global if an
10555
// AMD loader is present. jQuery is a special case. For more information, see
10556
// https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
10557
10558
if ( typeof define === "function" && define.amd ) {
10559
    define( "jquery", [], function() {
10560
        return jQuery;
10561
    } );
10562
}
10563
10564
10565
10566
10567
var
10568
10569
    // Map over jQuery in case of overwrite
10570
    _jQuery = window.jQuery,
10571
10572
    // Map over the $ in case of overwrite
10573
    _$ = window.$;
10574
10575
jQuery.noConflict = function( deep ) {
10576
    if ( window.$ === jQuery ) {
10577
        window.$ = _$;
10578
    }
10579
10580
    if ( deep && window.jQuery === jQuery ) {
10581
        window.jQuery = _jQuery;
10582
    }
10583
10584
    return jQuery;
10585
};
10586
10587
// Expose jQuery and $ identifiers, even in AMD
10588
// (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
10589
// and CommonJS for browser emulators (#13566)
10590
if ( !noGlobal ) {
10591
    window.jQuery = window.$ = jQuery;
10592
}
10593
10594
10595
10596
10597
return jQuery;
10598
} );
10599
- 

Return to bug 14862